After a personal request from the principal, Kaori, a new cram school teacher, becomes Touya's tutor. She keeps getting pushed around by the selfish and perverted Touya, but can't help become intrigued by his sad gaze one fateful moment. Despite deciding not to get involved, Kaori's heart is set on Touya and after sleeping together they have much more to overcome... A bitter-sweet love story that will tug at your heartstrings.