Uta is Shinoda's favorite student, she always favors him over other students. Once he discovered that Uta had a girlfriend, Shinoda decided to win him back. She called Uta out and used the excuse of "thinking about "miscellaneous" things so I couldn't study" so she could suck Uta's cock, helping him just focus on studying. And because Uta had a girlfriend, Shinoda asserted that "sucking cock" was not cheating on his girlfriend, so that he no longer felt guilty and enjoyed this feeling of pleasure with her. And just sucking cock with her mouth alone could not satisfy Shinoda, next she used her pussy to "suck his cock", because her pussy only "sucked his cock" so it was not considered cheating at all. And from then on, Shinoda "took care" of Uta's ejaculation, they made love, or "sucked cock" everywhere in the school, from the medical room, the equipment room to right in the middle of the classroom during exams. . Uta is also gradually fascinated by Shinoda's technique, he gradually has feelings for her and distances himself from his girlfriend...