Yuuma attends a freshman welcome party hoping to score at his university debut.<br> Suddenly, Nana-senpai, who is looking for a casual sex partner, asks to go back to Yuuma's house!? <br> This senpai, who was incredibly popular at the welcome party, is now coming to back his house and wants to have sex…? <br> As soon as they enter the front door, Nana-senpai begins to gently stroke his erection…<br> Confused, Yuuma lets her do as she pleases and winds up losing his virginity...!?<br> <br> (Source: PinkPineapple, translated)