Seiren

Seiren (セイレン, Amagami) in an anime produced by Studio Gokumi.

Plot
Shoichi Kamita is an ordinary high school boy, who is faced with the university entrance exam and worried about his future. This campus romantic comedy, "Seiren", which means honest in Japanese, depicts his pure relationship with three different heroines. Each story is the unique and mutual memory between him and the heroine.