What is Sudden Girlfriend Appearance anime?

Sudden Girlfriend Appearance anime involve a sudden change in the main character's life where (s)he suddenly gets confronted with an individual (s)he's sexually attracted to, the two of them inevitably becoming a couple.

Random Sudden Girlfriend Appearance Anime You might like

Bakemonogatari

(Bakemonogatari)

8.21

Description:

Koyomi Araragi, a third-year high school student, manages to survive a vampire attack with the help of Meme Oshino, a strange man residing in an abandoned building. Though being saved from vampirism and now a human again, several side effects such as superhuman healing abilities and enhanced vision still remain. Regardless, Araragi tries to live the life of a normal student, with the help of his friend and the class president, Tsubasa Hanekawa. When fellow classmate Hitagi Senjougahara falls down the stairs and is caught by Araragi, the boy realizes that the girl is unnaturally weightless. Despite Senjougahara's protests, Araragi insists he help her, deciding to enlist the aid of Oshino, the very man who had once helped him with his own predicament. Through several tales involving demons and gods, Bakemonogatari follows Araragi as he attempts to help those who suffer from supernatural maladies. [Written by MAL Rewrite]
Type

TV

Episodes

15

Ep.Length

24 Min

Rating

17+ (violence & profanity)

Status

finished

Aired

2009-07-03

Kaichou wa Maid-sama!

(Maid Sama!)

8.19

Description:

Being the first female student council president isn't easy, especially when your school just transitioned from an all boys high school to a co-ed one. Aptly nicknamed "Demon President" by the boys for her strict disciplinary style, Misaki Ayuzawa is not afraid to use her mastery of Aikido techniques to cast judgment onto the hordes of misbehaving boys and defend the girls at Seika High School. Yet even the perfect Ayuzawa has an embarrassing secret—she works part-time as a maid at a maid café to help her struggling family pay the bills. She has managed to keep her job hidden from her fellow students and maintained her flawless image as a stellar student until one day, Takumi Usui, the most popular boy in school, walks into the maid café. He could destroy her reputation with her secret... or he could twist the student council president around his little finger and use her secret as an opportunity to get closer to her. [Written by MAL Rewrite]
Type

TV

Episodes

26

Ep.Length

24 Min

Rating

Teens 13 or older

Status

finished

Aired

2010-04-02

Toaru Majutsu no Index

(A Certain Magical Index)

7.41

Description:

Academy City, Japan, is at the forefront of science. Besides being 30 years ahead of the world technologically, more than three-fourths of this peculiar city's population consists of students developing their psychic abilities as espers in various institutions. Among these students is Touma Kamijou, a high school boy with the lowest psychic rank of zero, but with a mysterious power no scientist can understand: "Imagine Breaker," which allows him to negate other supernatural abilities. This, however, doesn't affect Kamijou's life in the least as he plays his role as a regular teenager; that is, until he meets the strange Index Librorum Prohibitorum, a young girl who has memorized the entire forbidden grimoires, and now a dangerous organization is hunting Index down. With several magicians looking to harm the girl, Kamijou will defend his new companion at all costs as he discovers a strange new realm of the supernatural. [Written by MAL Rewrite]
Type

TV

Episodes

24

Ep.Length

23 Min

Rating

17+ (violence & profanity)

Status

finished

Aired

2008-10-05

Castle in the Sky

(Castle in the Sky)

8.19

Description:

Tenkuu no Shiro Laputa takes place in a world where humanity once built great flying cities. A catastrophe later destroyed all of these majestic creations, forcing the human race to once again live on the ground. Despite these setbacks, humanity still has a passion for flight and explores the skies with planes and airships. A young girl named Sheeta is on one such airship, having been abducted by the government agent Muska. When the ship is attacked by the air pirate Captain Dola, Sheeta takes the opportunity to escape. Saved by the grace of luck and magic, Sheeta is found by a young boy named Pazu. The two later discover that Sheeta's amulet is the key to finding Laputa—a legendary castle that is said to be the greatest of the flying cities. Together these new friends head out to find the castle and unravel its mysteries before the greedy and evil people of the world do.
Type

movie

Episodes

1

Ep.Length

125 Min

Rating

Children

Status

finished

Aired

1986-08-02

Sukitte Ii na yo.

(Say "I Love You".)

7.48

Description:

Mei Tachibana was once a regular girl who enjoyed hanging out with her friends. But after a traumatic incident where all her so-called friends suddenly turned their backs on her, Mei's idea of friendship changed forever. In order to stop herself from ever going through the same awful experience again, she decides to stay away from people as much as possible, and ideally, to never make any friends ever again. This tactic seems to have worked relatively well in her current high school life, and she didn't at all mind being thought of as gloomy and strange. However, the appearance of Yamato Kurosawa—one of the most popular boys in her high school—shakes her stable foundation of an introvert, and makes her question whether or not her choices were indeed the right ones. Not only does Yamato not ignore her like everyone else seems to be doing, he also decides to freely give her his phone number! As their relationship slowly develops, and is marked with an unexpected kiss, Mei is finding it very hard to adapt to this new life style, and hardest of all, to express her true feelings towards Yamato. Sukitte Ii na yo. follows their developing relationship, as well as their frequent disagreements, to portray how difficult it can really be to say "I love you."
Type

TV

Episodes

13

Ep.Length

24 Min

Rating

Teens 13 or older

Status

finished

Aired

2012-10-07

To LOVE-Ru

(To LOVE Ru)

6.96

Description:

Timid 16-year-old Rito Yuuki has yet to profess his love to Haruna Sairenji—a classmate and object of his infatuation since junior high. Sadly, his situation becomes even more challenging when one night, a mysterious, stark-naked girl crash-lands right on top of a bathing Rito. To add to the confusion, Rito discovers that the girl, Lala Satalin Deviluke, is the crown princess of an alien empire and has run away from her home. Despite her position as the heiress to the most dominant power in the entire galaxy, Lala is surprisingly more than willing to marry the decidedly average Rito in order to avoid an unwanted political marriage.To LOVE-Ru depicts Rito's daily struggles with the bizarre chaos that begins upon the arrival of Lala. With an evergrowing legion of swooning beauties that continuously foil his attempted confessions to Haruna, To LOVE-Ru is a romantic comedy full of slapstick humor, sexy girls, and outlandishly lewd moments that defy the laws of physics. [Written by MAL Rewrite]
Type

TV

Episodes

26

Ep.Length

24 Min

Rating

Mild Nudity

Status

finished

Aired

2008-04-04

Hentai Ouji to Warawanai Neko.

(The "Hentai" Prince and the Stony Cat.)

7.27

Description:

Youto Yokodera wants to be seen in a way different from most men: as a pervert. However, his lewd actions are often misinterpreted as good intentions, and people cannot see his true nature. Upon hearing rumors of a cat statue that can banish an unwanted trait, he searches for it and prays for his façade to be removed. But each wish comes at a price: those unwelcomed traits are transferred to someone else who desires them! After realizing that vocalizing his dirty thoughts is not the best thing, Youto decides to regain his lost traits by seeking out the person who received them. Unfortunately, he was not alone in praying to the cat statue, and now he must not only fix his life, but the lives of others as well. [Written by MAL Rewrite]
Type

TV

Episodes

12

Ep.Length

24 Min

Rating

Teens 13 or older

Status

finished

Aired

2013-04-13

Oreshura

(Oreshura)

6.95

Description:

It is often said that events of the past shape what you become in the future. For Eita Kidou, a studious, hard-working student aspiring to earn a scholarship so that he can become a doctor, this is an undeniable truth after being abandoned by his love-addled parents. This event left him jaded to the notion of romance, seeing it as only a distraction that gets in the way of studying. Unfortunately for Eita, his efforts hit a snag when he receives a confession of love from Masuzu Natsukawa, a transfer student with platinum hair and blue eyes. Eita sees through the confession, causing Masuzu to admit that she only did so because having a boyfriend would stop people from asking her out daily. She finds love to be just as much of a hindrance as he does, so by pretending to date, they can stave off advances from everyone else. Eita refuses on the grounds that his classmates will be jealous, but Masuzu blackmails him by revealing that she has his journal and will post it online for everyone to see if he betrays her. Thus begins Ore no Kanojo to Osananajimi ga Shuraba Sugiru, a story that follows Eita coping with his new "relationship" and the complications that arise from it.
Type

TV

Episodes

13

Ep.Length

23 Min

Rating

Teens 13 or older

Status

finished

Aired

2013-01-06

Cardcaptor Sakura

(Cardcaptor Sakura)

8.13

Description:

Sakura Kinomoto is your garden-variety ten-year-old fourth grader, until one day, she stumbles upon a mysterious book containing a set of cards. Unfortunately, she has little time to divine what the cards mean because she accidentally stirs up a magical gust of wind and unintentionally scatters the cards all over the world. Suddenly awakened from the book, the Beast of the Seal, Keroberos (nicknamed Kero-chan), tells Sakura that she has released the mystical Clow Cards created by the sorcerer Clow Reed. The Cards are no ordinary playthings. Each of them possesses incredible powers, and because they like acting independently, Clow sealed all the Cards within a book. Now that the Cards are set free, they pose a grave danger upon the world, and it is up to Sakura to prevent the Cards from causing a catastrophe! Appointing Sakura the title of "the Cardcaptor" and granting her the Sealed Key, Keroberos tasks her with finding and recapturing all the Cards. Alongside her best friend Tomoyo Daidouji, and with Kero-chan's guidance, Sakura must learn to balance her new secret duty with the everyday troubles of a young girl involving love, family, and school, all while she takes flight on her magical adventures as Sakura the Cardcaptor. [Written by MAL Rewrite]
Type

TV

Episodes

70

Ep.Length

25 Min

Rating

Children

Status

finished

Aired

1998-04-07

Sousei no Onmyouji

(Twin Star Exorcists)

7.18

Description:

Grotesque monsters known as Impurities reside in Magano, a realm parallel to the present day. Exorcists purify these evil apparitions to protect the people. Rokuro Enmado is opposed to becoming an exorcist, even though he has the talent to be one, but an oracle gives him the title of "Twin Star Exorcist," the name bestowed upon married exorcists. Benio Adashino, the girl who receives the title along with Rokuro, is determined to exorcise all the Kegare, or Impurities, in the world. The two find themselves wrapped up in more and more battles together as the Twin Star Exorcists... (Source: Crunchyroll)
Type

TV

Episodes

50

Ep.Length

24 Min

Rating

Teens 13 or older

Status

finished

Aired

2016-04-06

Sekirei

(Sekirei)

7.02

Description:

Struggling yet brilliant teenager Minato Sahashi has failed his college entrance exams for the second time, resulting in him being regarded as worthless by those around him. However, the course of his seemingly bleak future is altered dramatically when a beautiful, supernatural woman falls from the sky and into his life. That woman, Musubi, is a unique being known as a "Sekirei," a humanoid extraterrestrial with extraordinary abilities. These aliens are known for kissing humans carrying the Ashikabi gene in order to awaken additional latent powers deep within.Recognizing the potential within the seemingly insignificant youth, Musubi kisses the bewildered Minato, initiating a bond between the two of them. This drags him into the high-stakes world of the Sekirei, where he and his new partner must compete against others in a battle for survival called the "Sekirei Plan." However, unbeknownst to the contestants, there is far more at risk that what the competition initially entailed.[Written by MAL Rewrite]
Type

TV

Episodes

12

Ep.Length

23 Min

Rating

Mild Nudity

Status

finished

Aired

2008-07-02

Haiyore! Nyaruko-san

(Nyaruko: Crawling With Love!)

7

Description:

Mahiro Yasaka is just an ordinary high school student, until one day he is suddenly attacked by a dangerous monster. Just when everything seems to be lost, he is saved by a silver-haired girl named Nyaruko, who claims to be the shape-shifting deity Nyarlathotep from horror author H. P. Lovecraft's Cthulhu Mythos, sent by the Space Defense Agency to Earth. She explains to Mahiro that the creature chasing him was an alien called Nightgaunt, who had planned on abducting and selling him as a slave. After rescuing him from the alien, the Lovecraftian deity falls madly in love with Mahiro and forces herself into his household, much to his chagrin. Moreover, they are soon joined by two others from the fictional universe: Cthuko, a girl obsessed with Nyaruko, and Hasuta, a young boy easily mistaken for a beautiful female. Together, the three eccentric aliens protect Mahiro from the various extraterrestrial dangers that threaten both his and Earth's well-being, all the while making his life a living hell. [Written by MAL Rewrite]
Type

TV

Episodes

12

Ep.Length

24 Min

Rating

Teens 13 or older

Status

finished

Aired

2012-04-10

Nodame Cantabile

(Nodame Cantabile)

8.09

Description:

Shinichi Chiaki is a first class musician whose dream is to play among the elites in Europe. Coming from a distinguished family, he is an infamous perfectionist—not only is he highly critical of himself, but of others as well. The only thing stopping Shinichi from leaving for Europe is his fear of flying. As a result, he's grounded in Japan. During his fourth year at Japan's top music university, Shinichi happens to meet Megumi Noda or, as she refers to herself, Nodame. On the surface, she seems to be an unkempt girl with no direction in life. However, when Shinichi hears Nodame play the piano for the first time, he is in awe of the kind of music she creates. Nevertheless, Shinichi is dismayed to discover that Nodame is his neighbor, and worse, she ends up falling head over heels in love with him. [Written by MAL Rewrite]
Type

TV

Episodes

23

Ep.Length

22 Min

Rating

Teens 13 or older

Status

finished

Aired

2007-01-12

Campione!

(Campione!)

6.96

Description:

Some people suddenly find religion, but for 16-year-old Kusanagi Godou, it's that REALLY old time religion that's found him! As the result of defeating the God of War in mortal combat, Godou's stuck with the unwanted position of Campione!, or God Slayer, whose duty is to fight Heretical Gods whenever they try to muscle in on the local turf. Not only is this likely to make Godou roadkill on the Highway to Heaven, it's also a job that comes with a lot of other problems. Like how to deal with the fact that his "enhanced status" is attracting a bevy of overly-worshippy female followers. After all, they're just there to aid him in his demi-godly duties, right? So why is it that their leader, the demonically manipulative sword-mistress Erica Blandelli, seems to have such a devilish interest in encouraging some VERY unorthodox activities? Get ready for immortal affairs, heavenly harems and lots of dueling deities taking pious in the face as the ultimate smash, bash and thrash of the Titans rocks both Heaven and Earth. (Source: Sentai Filmworks)
Type

TV

Episodes

13

Ep.Length

24 Min

Rating

Teens 13 or older

Status

finished

Aired

2012-07-06

Shuffle!

(Shuffle!)

6.95

Description:

In present times, Gods and Demons coexist together with Humans after the door between each of these worlds had opened. Tsuchimi Rin is a normal young high school student attending Verbena Academy, spending his days living peacefully with his childhood friend Kaede. Unexpectedly, one day the King of Gods, the King of Demons and their families move into be Rin's next door neighbors. Apparently the daughter of the Gods, Sia, and the daughter of the demons, Nerine, are both deeply in love with Rin after having met him in the past. Along with his playful friendship with upperclassmen Asa and his encounter with the silent but cute Primula, Rin has much on his hands dealing with the affections of each of these girls. Based on the eroge by Navel.
Type

TV

Episodes

24

Ep.Length

23 Min

Rating

Mild Nudity

Status

finished

Aired

2005-07-08

Mysterious Girlfriend X

(Mysterious Girlfriend X)

7.2

Description:

Every girl is a mystery when you're a 16-year-old boy, but Mikoto Urabe is in another league. She carries scissors hidden in her panties. She sleeps on her desk every day. She seems to have no friends whatsoever. But none of that can compare to what happens when Tsubaki Akira decides on a whim to taste a drop of her drool while Urabe sleeps. From that moment onward, things between Urabe and Akira are never the same, and the mysterious girl slowly becomes Akira's mysterious girlfriend. Along with their friends Ueno Kouhei and Oka Ayuko, Akira and Urabe try and navigate the minefield of high school first romance and all the strange things that happen along the way.
Type

TV

Episodes

13

Ep.Length

24 Min

Rating

17+ (violence & profanity)

Status

finished

Aired

2012-04-08

Maken-Ki!

6.32

Description:

Based on the manga series by Hiromitsu Takeda, this romantic comedy is about Takeru Ohyama, a typical perverted teenage boy. His new school doesn't require entrance exams, and it just turned co-ed! Unfortunately, his dreams of a happy high school life are dashed when he finds out the school is much more than it seems. All of the students wield a special item—a Maken—to unleash their magical abilities in duels! Can Takeru find a Maken that works for him? Even while trying to fit in at a new school and dealing with all kinds of girl problems? (Source: FUNimation)
Type

TV

Episodes

12

Ep.Length

25 Min

Rating

Mild Nudity

Status

finished

Aired

2011-10-05

Kanokon

(Kanokon: The Girl Who Cried Fox)

6.27

Description:

Kouta has girl troubles of the supernatural sort. For some reason, he keeps attracting the attention (and affections) of animal spirits! Having spent most of his life in the country, Kouta is understandably nervous when he moves in with his grandma to attend a high school in the big city. He hoped to make a good impression, but having Chizuru, a beautiful fox spirit, hanging off his arm didn't seem to be the sort of image he wanted to have. She's not alone in her love for Kouta, either. Nozomu, a wolf spirit, as well as other youkai have their sights set on the hapless country boy.
Type

TV

Episodes

12

Ep.Length

24 Min

Rating

Mild Nudity

Status

finished

Aired

2008-04-05

Mirai Nikki

6.93

Description:

A short OVA that was bundled with the limited edition of the eleventh volume of the manga.
Type

OVA

Episodes

1

Ep.Length

8 Min

Rating

17+ (violence & profanity)

Status

finished

Aired

2010-12-09

Princess Lover!

6.71

Description:

Following an automobile accident that claims the life of his parents, Teppei Arima is taken in by his grandfather and introduced to the world of the rich and the elite. Compared to his humble upbringing, Isshin Arima's lavish lifestyle surprises and stuns the young teenager. In return for the gracious hospitality, Teppei is expected to continue the family business by replacing his grandfather as the head of Arima Financial Combine, and to prepare him for these responsibilities, he is enrolled into an esteemed high school. Along with his recently acquired celebrity status and affluence, Teppei is informed of an arranged marriage with the equally prosperous Sylvia van Hossen, thus, beginning the thrilling escapades of his new life! [Written by MAL Rewrite]
Type

TV

Episodes

12

Ep.Length

24 Min

Rating

Mild Nudity

Status

finished

Aired

2009-07-06

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