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.
A little reward for always being so kind.
Die Belohnung dafür,
dass du immer so nett bist.
Un pequeño premio
por siempre ser tan amable.
Uma recompensa por
ser sempre tão gentil.