The hentai story Kateikyoushi no Onee-san 2 part 2 is about four naughty adorable teachers and one young man who live together in one house. In one lazy hot summer day the girls are taking sun bath on the roof and talking about erotic fantasies what they had or would like to have with their student. The tutors are really want to improve sexual skill of the boy. The guy decided to join that exciting girl’s company.