다음 중:After his wife went home to give birth to the child, Kenji was alone. His sister-in-law Mai was worried and came to visit him. Kenji likes Mais cute smile and happily accepts Mai. He is also happy to see her again after such a long time. However, Mais real purpose is to vent her dissatisfaction with Kenji because her marital relationship is not going well. Mai accidentally discovered Kenji who was casually taking a shower.