Yuika, who attends a science university, is a female college student who only studies. The cozy friends I finally found after joining the literary study group circle. I wish I had continued such a day for a long time ... Yuika, who had a hard time living, had to work part-time and study hard. The professor threatens to accept vaginal cum shot if he cannot give credits as it is. Yuika labeled as Yariman is a devil ring in the faculty in the circle ●! Despite the dangerous day, a total of 20 consecutive vaginal cum shot hell! !!