The chubby butterfly student makes the teacher excited when she fucks. Tsuna Kimura is a young schoolgirl, Tsuna comes home after school and sleeps as if she doesn't participate in any group activities. Suna spends most of her free time masturbating. Suna's mother knew that her recent academic performance was not good because of this, so her mother hired a young tutor to tutor Suna. Of course, Suna's mother was informed of the boy's condition before the babysitter arrived. Let's see how the first training session of Suna and teachers went.