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.
What kind of hurry do you have to
be in to drop your underwear?
Wie überhastet muss man sein,
um einen Slip zu verlieren?
¿Qué tan apurada puedes estar
para que se te caiga tu ropa interior?
Mas que pressa foi essa que
fez ela esquecer a calcinha?