The protagonist is in his thirties and is a teacher at a girl's school. He only wishes to train his students well and help them graduate. That is, until a student of his starts showing signs of interest in something other than her studies.
Just what it says on the tin, a combination of the incest and idol fetishes! A group of three idol girls are managed by the perverted big brother of one of them. Specifically made for fans of the manga, bundled together as a special edition release with the manga.
