15 no Natsu ga Yuku

Laughter has a boy named Kou-kun, who I love. However, there was a beautiful girlfriend named Satomi in the announcement, and she looked very good friends. One day, when they were dating in the city, they came across and decided to have tea with Satomi and laughter. It's a laughing heart, but Satomi also has a situation !? Most of the guys who like Aya like her best friend Maako. Aya likes Ito from the basketball club this time as well, but Ito tells Maako !?