If you're looking for anime similar to I Wanna Be Your Girl, you might like these titles.
In case Yuuta’s hands weren’t full enough with his delusional girlfriend, Rikka, the arrival of a former friend claiming to be his soul mate is about to take Yuta's crazy life to a whole new level!
After having lived elsewhere for several years, Sana returns to the town in which he grew up in, and quickly begins to reacquaint himself to his surroundings and new high school. While there, Sana runs into his four childhood friends: Shuu, Shuri, Aoi, and Nanaka; but for some strange reason Nanaka gives him the cold shoulder. As he goes about his new daily life, can Sana rebuild his friendship with Nanaka while trying to deal with a troubling secret from his past?
Shuichi Nitori is about to start middle school with a terrible secret: he wishes he were a girl and likes wearing their clothes. With the right outfit and his cute, effeminate looks, he is often able to convince people that he is someone else - or even something else. Unfortunately, although his best friend and object of affection, Takatsuki, accepts him as he is, she does not return Shuichi’s feelings. Moreover, school is an unforgiving place and Shuichi walks a fine line between liberating his true self and being labelled a freak by all his peers...
Nanaka Kirisato is a serious 17-year-old girl whose main goal in life is to study hard and grow up quickly. She doesn't have any friends, except for Nenji, whom she has known since her childhood. Although she constantly lectures him about his immaturity and fighting, he is the only one that stays by her side. One day after an argument with Nenji, Nanaka falls down a flight of stairs causing her to lose eleven years of her memories. Now she believes that she is a 6-year-old girl! Nenji decides to protect Nanaka by keeping her condition a secret so she can continue attending school and lead a normal life. With Nanaka’s childish personality and her unstable medical condition, how long will Nenji and Nanaka be able to keep up this charade?
It's spring, and love is in the air! Sanada Kouichi wakes up one morning to find a strange girl barging into his house and making herself at home. Only after his friend, Aihara Kazuki, shows up later does he recognize the girl as their childhood friend Mizusawa Mao, who has been living overseas for the past two years. With her parents still overseas, Mao will be living with Kouichi and attending high school with him and Kazuki. The three of them will rely on each other to overcome their challenges with school, friendship, and of course love!
Shy, athletic Sumika is in love with her bubbly friend Ushio. However, Ushio is outwardly attracted to cute girls, something she never calls her friend-turned-admirer. Keeping her tender feelings a secret from the one she loves, Sumika continues to be Ushio’s confidante and companion, hoping that someday she can say how she feels. Whether it’s having a first kiss, cooking a meal or confiding in each other, Sumika, Ushio, Tomoe and their friends will experience the everyday joys of a quiet school life and touching romance together.
At the end of a summer when Hayato was a child, he made a promise to his precious (male) friend. 7 years later, Hayato transferred to a high school in the city and met his childhood friend again, who had become a... neat and pretty girl! Haruki, known as The Takamine Flower of her class, smiles innocently at Hayato with the face of a brat when they are alone, trades lunches in empty classrooms, plays games together at home… But she turns red when he makes fun of her and treats her like a girl. It’s cute. The country and the city, the boy and the girl, the grown-up mind and body. If there are things that have changed while they were apart, there are also feelings and promises that have yet to be changed.
Naoto Watari has had his share of struggles: His parents died two years ago, and now he and his sister live at his aunt’s house. There, his desire to protect his sister earned him notoriety as “the guy with the sister complex,” — which never mattered to him, as his sister always came first. But when Satsuki, a childhood friend-turned-enemy, becomes his school mate, Naoto’s ordinary life is thrown into chaos… and Satsuki may just be the beginning.