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

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

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

Kono Minikuku mo Utsukushii Sekai

(This Ugly Yet Beautiful World)

6.65

Description:

High school student Takeru Takemoto works part time as a (motor)bike courier. During one of his deliveries, he saw a mysterious light passing him and fell into a forest. What he had found was a beautiful girl coming out from a glowing cocoon, calling herself "Hikari." While Takeru was quite embarrassed because of Hikari's nudity, a strange monster suddenly showed up and immediately attacked the two. Both Takeru and Hikari demonstrated the power of their other selves before Takeru had a clue of what's going on. (Source: ANN)
Type

TV

Episodes

12

Ep.Length

24 Min

Rating

Mild Nudity

Status

finished

Aired

2004-04-02

Tenchi Muyou! Ryououki

(Tenchi Muyo! Ryo-Ohki)

7.66

Description:

Tenchi Masaki was a normal 17-year-old boy until the day he accidentally releases the space pirate, Ryoko from a cave she was sealed in 700 years ago as the people thought she was a demon. In a series of events, four other alien girls show up at the Masaki household as Tenchi learns much of his heritage he never knew about and deal with five alien girls who each have some sort of romantic interest in him. (Source: ANN)
Type

OVA

Episodes

6

Ep.Length

30 Min

Rating

Mild Nudity

Status

finished

Aired

1992-09-25

Sumomomo Momomo: Chijou Saikyou no Yome

6.85

Description:

Koushi Inuzuka is a smart high school student who aims to become a public prosecutor. Unfortunately for our good guy, he was born into a martial arts family whose head (ie his father) only knows one language: violence. When Koushi was still a baby, his father made a pact with his biggest rival to marry Koushi to his opponent-turned-friend's daughter. The union of the two blood lines is supposed to bring forth Earth's strongest martial arts clan. Skip forward: Koushi is in high school, oblivious to the marriage arranged for him at his birth. Enter Momoko Kuzuryuu: sugar bomb, airhead, loli martial arts artist and Koushi's self-proclaimed bride (the strongest on Earth, no less). Her wish for sexual intercourse meets with Koushi's square refusal as he has absolutely no desire to get it on with someone who looks like she could be his little sister, not to mention that he doesn't have the foggiest idea who she actually is. Meanwhile, a war has broken out between the martial arts families. For Koushi, this means that numerous fighters are out to challenge/assassinate him. As if that weren't bad enough, our protagonist also has a fight phobia due to a traumatic incident that took place in his childhood. Now it's up to Momoko and her superhuman fighting skills to protect her "husband." Will the two sweethearts survive the trials and tribulations ahead of them? More importantly, will Momoko get her way receiving a baby from Koushi? (Source: Kotonoha)
Type

TV

Episodes

22

Ep.Length

24 Min

Rating

Teens 13 or older

Status

finished

Aired

2006-10-06

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

Aa! Megami-sama!

(Oh! My Goddess)

7.32

Description:

When college student Keiichi Morisato dials the wrong number while ordering for some food at his dormitory, he accidentally gets connected to the Goddess Hotline and a beautiful goddess named Belldandy appears out of a mirror in front of him. After getting kicked out of the dorm, Keiichi and Belldandy move to an old shrine and soon afterwards, Belldandy's sisters Urd and Skuld move in.
Type

OVA

Episodes

5

Ep.Length

30 Min

Rating

Teens 13 or older

Status

finished

Aired

1993-02-21

Shin Tenchi Muyou!

(Tenchi in Tokyo)

7.27

Description:

Tenchi decides to move to Tokyo in order to lead a normal life in the big city. While in Tokyo Tenchi meets a girl named Sakuya. They soon fall in love but as it turns out a dark sinister force has created Sakuya to get at Tenchi and rule the earth. Now Tenchi must balance love, friends, and life while defending the earth one last time. (Source: ANN)
Type

TV

Episodes

26

Ep.Length

23 Min

Rating

Teens 13 or older

Status

finished

Aired

1997-04-01

Amaenaide yo!! Katsu!!

(Ah My Buddha Katsu)

6.64

Description:

In this sequel, a girl named Kazusano Kazuki join up with the 6 girls and Ikko. With Kazuki around, Ikko will find himself in more embarassing situations with these priestesses-in-training. (Source: ANN)
Type

TV

Episodes

12

Ep.Length

24 Min

Rating

Mild Nudity

Status

finished

Aired

2006-01-04

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

Kemeko Deluxe!

6.51

Description:

When Sanpeita Kobayashi was a child, his lovely friend had to move away, but she vowed that in ten years, they would meet again—as husband and wife. Ten years later, Sanpeita is a high school student, but he hasn't forgotten the feelings they shared. Sanpeita awakes from a dream about his last day with her, only to have his morning interrupted. A weird robot girl is battling other robots in his bedroom, claiming to be his wife. The robot's pilot looks like none other than Sanpeita's long-lost, childhood friend. But who is she really? Why did she have to leave? And what does she have to do with the Mishima Electronics Corporation?
Type

TV

Episodes

12

Ep.Length

24 Min

Rating

Teens 13 or older

Status

finished

Aired

2008-10-05

Kyouran Kazoku Nikki

7.14

Description:

Midarezaki Ouka is used to having strange things happen to him -after all, he is the head of the Great Japanese Empire Paranormal Phenomena Bureau of Measures. But when he catches a small cat girl in the shopping district stealing apples, his whole life rearranges to fit a new operation... OPERATION COZY FAMILY. Thousands of years ago, Enka the God of Destruction, was killed. However, with a dying breath it claimed that its child would appear and destroy humanity. Now in futuristic Japan, all of the potential children of Enka have been found and placed into a haphazard family. Teika the lion, Gekka the jellyfish, Yuuka the oni, Ginka the cross-dressing mafia son, and Hyouka the bioweapon--along with their parents Ouka and Kyouka (the ruler of a demon underworld)--all live under one roof in a family frenzy.
Type

TV

Episodes

26

Ep.Length

24 Min

Rating

Teens 13 or older

Status

finished

Aired

2008-04-12

Tokimeki Memorial: Only Love

(Tokimeki Memorial)

6.96

Description:

Aoba Riku has just transferred to a new high school because of his father's job, and things aren't quite what he expected. The headmaster's secretary controls the school while espousing the virtues of academic freedom, the teachers are even stranger than normal teachers, and half the student body is walking around with animal ears on. On his very first day, Riku is unfortunate enough to find himself at the center of the student council's latest event, which has him running for his life. All this on top of the normal high school rigour of popularity contests, crushes, and homework makes it unsure whether Riku will be able to survive this new school. (Source: ANN)
Type

TV

Episodes

25

Ep.Length

24 Min

Rating

Teens 13 or older

Status

finished

Aired

2006-10-03

D.C.S.S: Da Capo Second Season

(D.C.S.S. ~Da Capo Second Season~)

6.86

Description:

Hatsune-Jima was once well-known for its cherry trees, which would bloom no matter what time of year it was. Two years ago, the island's cherry trees lost this ability and all became ordinary cherry trees that bloom only in the spring. Jun'ichi Asakura is now a graduating senior at Kazami Academy, and is surrounded by many close friends, old and new alike. On a stormy summer day, a mysterious young girl, Aisia, arrives at Jun'ichi's door. She is looking for Sakura's grandmother to study magic, ultimately hoping to bring happiness to everyone. When she discovers that grandmother Yoshino had long since passed away, she joyfully assumes (thanks to his error in judgment) that Jun'ichi is able to teach her. Even though she finally understands that the only magic he's capable of is conjuring Japanese confections, Aisia continues her search for magic on Hatsune-Jima. Amid the chaos of her search, Kazami Academy hires new medical staff. (Source: ANN)
Type

TV

Episodes

26

Ep.Length

25 Min

Rating

Teens 13 or older

Status

finished

Aired

2005-07-02

Final Approach

6.54

Description:

Ever since their parents died a few years ago, Ryo and his sister Akane have been living alone together. Despite their difficult situation, they are still living reasonably happy and normal lives. However, everything is about to be flipped upside-down due to a secret government project. Due to increasingly low birth rates in Japan, the Japanese government is testing a program in which two young people are forced to marry. Ryo wants no part of it, but he is given little choice in the matter; his new fiancée, Shizuka, comes to his home late one night with several dozen government issued bodyguards, who are there to ensure the success of the new couple. Unlike Ryo, Shizuka couldn’t be more willing to go along with this new program, and eagerly goes about her wifely duties, despite his objections. With meddling friends, pushy bodyguards, and an overenthusiastic new fiancée, Ryo’s life has taken a turn in a direction the young man certainly didn’t expect. (Source: ANN)
Type

TV

Episodes

13

Ep.Length

14 Min

Rating

Teens 13 or older

Status

finished

Aired

2004-10-03

I''s Pure

(I''s Pure)

6.89

Description:

Seto Ichitaka has a crush on Yoshizuki Iori, a girl in his class who has become so popular she now has her own fan club at school. But only a miracle could make him be with her, since the day he first saw Iori-chan, Ichitaka has been too shy to even talk to her. This miracle happened and now he and Iori are working together on the Freshmen Welcoming Party. It seems that things start to look bright for Seto, but then a special childhood friend is coming for a visit... (Source: ANN)
Type

OVA

Episodes

6

Ep.Length

27 Min

Rating

Mild Nudity

Status

finished

Aired

2005-12-09

Denei Shoujo VIDEO GIRL AI

(Video Girl Ai)

7.16

Description:

When Youta is told by the girl he likes, Moemi, that she likes someone else, he rents a video girl tape from a strange video rental shop. When he plays the tape at home, Video Girl Ai emerges from the screen to help him win Moemi's love. But Yohta's VCR had been malfunctioning and now Ai's personality isn't quite what it was designed to be. (Source: AniDB)
Type

OVA

Episodes

6

Ep.Length

29 Min

Rating

Mild Nudity

Status

finished

Aired

1992-03-27

Iriya no Sora, UFO no Natsu

6.96

Description:

Asaba Naoyuki is an ordinary high school student. As a member of his school's press club, he's just spent the summer camping outside the local military base, in hopes of seeing the UFOs that are secretly kept there, according to local legend. Returning to school, he meets a strange girl, Iriya Kana, and gradually comes to realize that she is more than merely strange - and that a dark secret lies beneath the world that he knows. (Source: ANN)
Type

OVA

Episodes

6

Ep.Length

25 Min

Rating

Mild Nudity

Status

finished

Aired

2005-01-28

Rizelmine

6.39

Description:

Iwaki Tomonori is an average 15-year-old boy who likes older women. He happens to have a crush on his teacher, but soon thereafter, learns she has become engaged. He heads home brokenhearted, only to find a 12-year-old girl named Rizel at his home, who he learns the Japanese government has married him to against his will. Furthermore, he learns Rizel is no ordinary girl; she is a biochemically engineered human, and her creators (her "papa"s, as they are often referred to) promise to waive multiple bills of Iwaki's parents in exchange to be allowed to stay at their house, and thus Iwaki's life with Rizel begins.
Type

TV

Episodes

24

Ep.Length

15 Min

Rating

Mild Nudity

Status

finished

Aired

2002-04-02

Pita Ten

(Pita-Ten)

6.94

Description:

Kotaro was pretty much supposed to be your average boy, worried about the pressures of education while enjoying a simple life with his friends. Much to his despair, he one day finds the overly cheerful Misha at his door, asking to be friends out of nowhere. Even more shocking is that Misha is an apprentice angel, yet she does more bad then good. Along with Kotaro's school friends Takashi and Koboshi and the so called devil Shia (once again being able to do more good then bad), the group of friends spend their days getting into all sorts of adventures and troubles. Based on the manga by Koge-Donbo.
Type

TV

Episodes

26

Ep.Length

24 Min

Rating

All Ages

Status

finished

Aired

2002-04-07

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