* Based on a light novel series by Hanama Tomo.
Once upon a time, Cinderella left her panties in a boy's locker...wait, what?! Kiryuu Keiki receives a mysterious love letter, that has no name, but includes a pair of white undies. Curious to find this panty-leaving-Cinderella, his investigation leads him to discover that every candidate is...a total pervert! Surrounded by…