The husband used his busy work schedule as an excuse to show no interest in his son's growth, and they were also sexless. Kana felt incredibly lonely. One day, when her mamachari bike broke down and she was in trouble, Kiriyama, who also dropped off his child at the same daycare, came to help. The two hit it off during their conversation. On another day, they bumped into each other again on the way back from evening shopping and exchanged contact information. On that same day, Kiriyama ended up delivering a handkerchief Kana's child had dropped to her house.
