Current female college student accepts group creampie for tuition fees

Yuika attends a science university, and is a female university student whose only job is to study. I finally found some cozy friends after joining the Literature Research Group's circle. I wish this day had continued forever... Yuika, who had struggled with her life, was neglecting her studies by balancing her part-time job. The professor threatens to not be able to give credits if things continue like this, and he accepts creampie. Yuika, who is labeled as a slut, gang rapes her inside the club and within the department! Despite being a dangerous day, hell of a total of 20 ejaculations and creampies! !