Kenji comes to his brother's house to visit his brother and his wife. He is excited to meet his brother's wife, Yu, whom he secretly had a crush on in the past. However, instead of being happy to see Yu again after a long time, Yu acts strangely cold and starts drinking in despair. Kenji is convinced that something must have happened between Kenji and his brother, so he confronts Yu and finds out that his brother has been cheating on him. His feelings of love return along with his anger. "I've always loved you. Stop calling me your big brother and do me yours..." Yu is unable to hide her shock at Kenji's sudden confession, so Kenji presses on...