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.
I guess you're okay,
if you have so much energy.
Wenn du so munter bist,
ist wohl alles gut.
Supongo que estás bien
con tanta energía.
Já está melhor e cheio de energia.