A secret infiltration investigation into a certain university club rumored to have many beautiful girls! This time's target is the cute-smiling meru-chan. Unaware that she was entering a den of sex maniacs, she gets brutally raped in the club! Despite being on a retreat with only one girl, they had no sense of crisis and enjoyed themselves. Afterward came the much-anticipated fun time. Drinking alcohol to boost their mood, they got into a frenzied state of group orgies! A secret erotic retreat where she reaches orgasm covered in semen!
