He failed to take the university entrance examination and Tetsuro was in Ninami. When his father finds out, he asks Rico, the wife of a colleague who used to be a tutor, for a tutor. Rico, who understands it well, immediately teaches Tetsuro to study. But Tetsuro, who has no ambition at all, thinks about how to concentrate on studying Lico came up with a strategy that uses Rico’s proud body to tempt him to stimulate his students’ motivation.