The neat and tidy black-haired junior college student, Suzumiya Kinka, sees a penis for the first time in her life. It's her first time touching or licking one, but the beautiful girl's mouth suddenly ejaculates in her mouth! Furthermore, during her first sex, it's completely different from the sex she fantasized about, and she loses her virginity while crying in excruciating pain! Even the tears that spill from the pain are recorded in full.