Kanako, despite having a kind husband, continued her affair with her first male superior. Her husband revealed this fact to his sister Reiko. The husband did not blame Kanako for the infidelity and instead said, 'It's because of my own incompetence...' and fell into despair. Reiko doted on her younger brother; the reason was that after losing their parents at a young age, Reiko had been like a mother to him. 'If I hadn't raised him to be stronger... he wouldn't have become such a kind but weak man...' she blamed herself. Even as an adult, Reiko guided her brother in sex...
