Yuika, who attends a science university, is a female college student whose only merit is her studies.She joins the Literature Study Group circle and finally finds a group of comfortable friends.It would have been nice if days like this had continued forever... Yuika, who was having a hard time living, was forced to neglect her studies due to her work at a part-time job.She is threatened by the professor that she can't give her credits at this rate and accepts her vaginal cum shot.Yuika, who was labeled as a bimbo, is a devil in her department within the circle!Despite the dangerous day, a total of 20 shots in a row! !