Sora ni Taiyou ga Aru Kagiri

Rieko Edogawa is a second year student at East Edogawa Academy - a private school. She is full of energy and courage, and she is so popular that there is not a soul in her town or school that doesn't know her. But Rieko's one weakness is Teppei Sakamiya, her childhood friend. She has liked him for a long time, but Teppei can only see her as a good friend. Meanwhile... Naoto Akutsu, a transfer student, appears... (Source: ShoujoMagic)