[Mosaic removed] After several years of marriage, Kawai, a ronin student, comes to live next to the Shiraki couple who are living happily together.Kawai fell in love with Yuko from the moment he laid eyes on her, and openly confessed his feelings to her married woman.Naturally, Yuko refuses, but one day, smoke overflows from Kawai's house.Yuko rushes to put out the fire... Kawai collapses and says, ``I can't forget Yuko-san after all.'' Yuko feels that she can't concentrate on her studies if things continue like this, so she sends a fake letter to her husband and asks her for dinner. Leaving behind her, she heads to Kawai...