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.

Newest Sudden Girlfriend Appearance Anime You might like

Fuufu Ijou, Koibito Miman.

(More than a married couple, but not lovers.)

7.57

Description:

Third-year high school student Jirou Yakuin hoped to partner with Shiori Sakurazaka of the same class in the mandatory "Couple Practical" course. In this practical, students must demonstrate that they have the necessary skillset to live with a partner of the opposite sex while presenting a certain level of harmony to the video surveillance that grades them. Unfortunately, random chance put his slightly subdued self into the practical with the person polar opposite to him, the gyaru Akari Watanabe. Akari on the other hand hoped to be paired with her crush Minami Tenjin. Their hopes are doubly dashed when they find out that Shiori and Minami are assigned together. Thus, they reluctantly decide to cooperate to reach the top ten, which would give them the right to exchange partners if both couples agree. To that end, Jirou steals Akari's first kiss without realizing what he'd done, while giving a hurried good-bye kiss...
Type

TV

Episodes

12

Ep.Length

24 Min

Rating

Teens 13 or Older

Status

finished

Aired

2022-10-09

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

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

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

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

Haiyore! Nyaruko-san

(Nyaruko: Crawling With Love!)

6.99

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

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

Nagareboshi Lens

6.49

Description:

The story follows Risa, a girl with zero experience in romance. Meanwhile, a boy named Yuugure is the most popular student in Risa's school year. Even though the two have had no contact with each other in the past, they find themselves at school at the same time one night. (Source: ANN)
Type

OVA

Episodes

1

Ep.Length

18 Min

Rating

All Ages

Status

finished

Aired

2012-03-18

Kimi no Iru Machi: Tasogare Kousaten

7.01

Description:

Eba Yuzuki has mysteriously decided to go to high school in the countryside. But despite Kirishima Haruto's objections, she is living in his home. Now he has to put up with a freeloading city girl and even worse, make sure Kanzaki Nanami, the girl he likes, doesn't get the wrong idea!
Type

OVA

Episodes

2

Ep.Length

24 Min

Rating

Mild Nudity

Status

finished

Aired

2012-03-16

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

Dragon Crisis!

6.57

Description:

A normal high school boy Kisaragi Ryuji's peaceful life is turned into an adventure by the return of his second cousin Eriko. Ryuji and Eriko seize a relic box from a black broker. In the box, they find a red dragon girl Rose. In order to protect Rose from the black organization, Ryuji decides to fight using his power as a relic handler.
Type

TV

Episodes

12

Ep.Length

23 Min

Rating

Teens 13 or older

Status

finished

Aired

2011-01-11

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

Hyakka Ryouran: Samurai Girls

(Samurai Girls)

6.64

Description:

Jubei Yagyu, Hanzo Hattori, Yukimura Sanada, Sen Tokugawa, Kanetsugu Naoe, and Matabei Goto. In the alternate world of Hyakka Ryouran: Samurai Girls these are not the legendary samurai of history. They are scantily clad young ladies living in an age where the Tokugawa shogunate remained in power, and all of them have been sent to Buou Academic School in order to hone their battle skills. Muneakira Yagyu, master of the Yagyu dojo, is the only one who has the ability to take these warriors to the next level, making them into master samurai. Once he unlocks the hidden powers of Jubei with a kiss, the rest of the girls will set their sights on attaining that power for themselves. Together with his new group of master samurai, Muneakira will rebel against the school's student council, who have tasked themselves with oppressing students in this hectic world.
Type

TV

Episodes

12

Ep.Length

24 Min

Rating

Mild Nudity

Status

finished

Aired

2010-09-04

Kaichou wa Maid-sama!

(Maid Sama!)

8.18

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

Ookamikakushi

(Okamikakushi: Masque of the Wolf)

6.17

Description:

The story follows Hiroshi Kuzumi, a 16-year-old student who has just moved to the seemingly serene village of Jogamachi. Nestled in the mountains far away from the city, the village is divided by a river that separates old Jogamachi from new Jogamachi. Young Hiroshi soon discovers that the village is ancient as well as mysterious traditions and customs have been kept alive over the ages. Although a bit bewildered by the new environment, Hiroshi begins to settle into his new life. While he has never been the type to win any popularity contests, he quickly earns the affection of his classmates. That is with the exception of aloof class president, Nemuru Kushinada, whose only words to Hiroshi are a warning to stay away from old part of town. It is there that terror and mystery await him.
Type

TV

Episodes

12

Ep.Length

24 Min

Rating

Teens 13 or older

Status

finished

Aired

2010-01-08

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

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

Akikan!

(Akikan!)

6.03

Description:

Hobbies are often a great way of meeting new people, but how could Kakeru Diachi, who collects rare juice cans, have ever suspected that he'd meet a fascinating new girl when he attempted to DRINK her? Naming her Melon, because she's got great melon... soda, Kakeru quickly learns that she's an Akikan—a beautiful girl who's also a special can created to fight other Akikans in a strange experiment to determine what kind of container is better: steel or aluminum! Will becoming involved in this ridiculously twisted research project gone amuck complicate Kakeru's life incredibly? Of course it will, but because Melon's steel body needs carbon dioxide to breathe, he's now stuck with her since she's too CO2 dependent! And when his wealthy, attractive, best childhood friend Najimi gets HER own aluminum Akikan, the trouble really begins! (Source: Sentai Filmworks)
Type

TV

Episodes

12

Ep.Length

23 Min

Rating

Teens 13 or older

Status

finished

Aired

2009-01-04

Macademi Wasshoi!

6.89

Description:

Magician's Academy revolves around Takuto Hasegawa, who attends a magic academy that is not marked on any map. During a summoning spell exam, he accidentally creates a girl named Tanarotte, who happens to hold enough magical power to destroy his country, but fortunately Tanarotte professes undying loyalty (and love) to her "creator." (Source: ANN)
Type

TV

Episodes

12

Ep.Length

24 Min

Rating

Mild Nudity

Status

finished

Aired

2008-10-06

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