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.
That was an ordeal.
Mou dounimo tomaranai!
-Fue un calvario.
-Como si hubieras participado.
- Isso foi uma tortura.
- Como se não fosse sua culpa.