Keiki Kiryu is a kind-hearted high school student surrounded by attractive girls. One day, he finds a love letter with no sender information, other than a pair of panties. Keiki begins his investigation by speaking to his senpai, Sayuki.
You're strange, Kiryu-senpai.
Kiryu ist merkwürdig, was?
-Eres extraño, Kiryu.
-Shoma, ¿quisieras
- Você é estranho, Kiryu-senpai.
- Já pensou ter uma menina bichinho?