Though not spacious, Mao has her own home and lives with her husband Masaki. One day, Masaki is promoted to deputy manager, and his mother can move into a reputable nursing home. The one who helped make this possible was Nishikawa, Masaki's boss and Mao's former boss. One day, Masaki brings Nishikawa home, and after drinking too much, Nishikawa confesses his love for Mao from long ago, then starts talking about her husband's future and her grandmother's fate while groping her…
