One year after her mother-in-law passed away, her husband Kakki and his wife Towa came to her parents' house, worried about her father-in-law, Toru, who could no longer hide his age. Towa is a childhood friend of Ikki, and he has known Towa since childhood. It's been going on since Towa's firefighter, Toru, saved his life long ago. And when she reveals her feelings to Toru, who has become single, boldly asks for a kiss, and becomes lustful, Toru is gradually attracted to him...
