A girl ○ student studying in a room with a tutor. - It was a mundane study scene as usual. - However, one day, a trivial matter triggered a sudden change in the tutors appearance! - A tutor who quietly begins to blame girls ○ students ... - A girl ○ student who is frightened by a tutor different from usual is weak and can not resist even if her body is touched, and a naive girl ○ raw cotton bread gradually begins to get wet. - She felt unpleasant and went to the mud. - Finally, he accepts his tutor Ji Po and becomes a prisoner of pleasure!