[Machine Translation] Without Kase-san, you can't stay in your hometown! Yamada has decided to move to Tokyo with Kase-san, who is going to a university in Tokyo on her recommendation. Yamada is very excited, and even talks about the possibility of living together in Tokyo, but there is a senior student, Inoue, who is rumored to be Kase's ex-girlfriend at the N University of Health and Sport Sciences where Kase goes to school. With her heart filled with anticipation and anxiety, the last cultural festival has begun--. The popular "Kase-san" series, which depicts a fresh romance between girls, has been long awaited by fans. series), the long-awaited fourth volume!