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.
First of all, why did the sender
not write her name on the letter?
Ist schon mysteriös,
dass kein Absender drauf steht.
Primero que nada, ¿por qué
no escribió su nombre en la carta?
Para começar, por que
ela não assinou a carta?