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.
So, now that you know my secret...
Keiki … jetzt da du
mein Geheimnis kennst …
Bien, entonces ahora que sabes
mi secreto…
Então, agora que
descobriu meu segredo...