Sumire was dating her badass ex-boyfriend Tsuyoshi. Tsuyoshi was a typical thug who was quick to get money, cheated on him, and didn't use contraception. Sumire, who was finally able to escape from Tsuyoshi after dating her for many years, now lives with her proper boyfriend Takao on the premise of marriage. However, Tsuyoshi, who witnessed Sumire being with Takao, was trying to Taka Sumire again.
