Suki Dakara Kiss Shita no?好きだからキスしたの？ ; Baiser d'amour ; Suki Dakara Kisu Shita no? ; Suki Dakara Kisushita no?

It happened in a sunny day right before summer. Fujisawa Souta's first kiss was with his older classmate, Ayase Chihiro. It's now their summer vacation, and yet, nothing has happened between the two of them! What's worse? he discovers that he wasn't actually Ayase's first kiss, and now regrets kissing him.