A female college student, having missed the last train after a club drinking party, reluctantly ends up staying at a male friend's house despite having a boyfriend... Feeling guilty, but still caught up in the party atmosphere, she starts drinking with her male friend a little longer... In her drunken state, she starts complaining about her boyfriend and expressing her frustrations. The man closes the distance between them under the guise of listening to her problems. ◆Yuuka is a gentle girl with an estimated F-cup bust! She also has a rather inconsistent sex life with her boyfriend...