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.
One of these three is Cinderella...!
Eine von diesen Dreien ist Cinderella.
Una de estas tres es Cenicienta.
Uma dessas três é a Cinderela!