Yasuraoka Hanabi and Awaya Mugi seem to be the ideal couple. They are very popular and seem to fit in with each other. However, what their classmates don't know is that they share a secret.

Hanabi Yasuraoka and Mugi Awaya look an ideal high school couple, but they both like someone else. Hanabi Yasuraoka has liked Narumi Kanai since she was a kid and Mugi Awaya likes his private tutor Akane Minagawa. As a couple, Hanabi Yasuraoka and Mugi Awayai have 3 conditions: They are not supposed to like each other, they will break up if either of them succeed in love with their secret crush and they will fulfill their physical desires.