If you're looking for manga similar to Da Capo if, you might like these titles.
Tetsuya Mizuno, a third year high school student, meets Yuzuko Sanada, a childhood friend whom he nicknamed Yuzu one day on his way to school. Yuzuko actually has a crush on Tetsuya. To her advantage, she is skilled at cooking and homemaking, but has a timid personality. He later also meets Rui Nakane at the pool after running errands for Asumi Akiyam, his cousin who is also the school nurse. Rui holds vast knowledge, and is very affectionate towards animals to the extent where her aim is to become a veterinarian. Despite her love toward animals, she has a severe fear of touching cats due to a past incident...
Kaede loses her memory so Rin and friends must help her recover them! Phoenix Wright style! Rin and Kaede's childhood friend, Sakura returns and a new love triangle begins.
After a series of unfortunate events, the young Hirose Takuma was rendered blind. In an attempt to reverse his condition Hirose moves in with his uncle in a rural village, and upon his arrival he quickly begins to make new friends. However, Hirose soon discovers that one of his classmates, Hayami Kohinata, is being harshly bullied by her peers for reasons that neither she nor anyone else wants to explain. Even the seemingly honest and gentle Hinata Kagura, who had been doing her best to be friendly and helpful to Hirose since his arrival, acts harshly towards Hayami. Once a mysterious girl bequeaths Hirose with a life-changing gift, he takes it upon himself to help save Kohinata from her loneliness while working to uncover the truth of the situation.
The invention of anti-gravity footwear has opened an innovative world of sports for students across the globe. Dreaming of flight since childhood, Asuka can’t resist the action-packed competitions of Flying Circus. But with her head in the clouds and a clumsy disposition, she’s got a lot to learn before she can go toe to toe with the toughest challengers at other schools.