Rozalin takes care of Noze who apparently lost her memories for unknown reasons. Noze can remember including the smallest detail of Rozalin and only Rozalin but she chooses not to. Hoping for a last wish, Rozalin wishes that Noze would at least call out for her name.

Hyewon wants to score a romantic date with her former roommate. But being surrounded by the pretty and hot women from the university's dance club that she can't help but entertain, achieving her goal just proved to be more challenging than the math equations her professor thought would be fun to drown her with everyday.