Kawaikereba Hentai demo Suki ni Natte Kuremasu ka?

The romantic comedy begins when a love letter arrives out of the blue for Keiki Kiryuu,
an ordinary high school student who has never had a girlfriend as long as he has been alive.
The letter does not include the sender’s name — but the letter does include white panties.
In the process of investigating who could be his “Cinderella who left behind her panties,”