Des:Because her husband is busy with work, he has no interest in his sons growth, and he has no sex, which makes Kana feel lonely. One day, Kiriyama left his child at the same kindergarten and when his mother broke down, Kiriyama came to help him. The two chatted excitedly, met again on their way home from shopping in the evening, and exchanged contact information. On the way home that day, Kiriyama would deliver the handkerchief of the child Kana left behind to Kanas house.