Nagi Ayase, 36, is a married taxi driver and wife who is not good at being dependent on others but is always devoted. Her first marriage was at age 19, to a businessman six years older than her. Her second marriage was at age 32, when she met her current husband, a comedian nine years older than her, while at work. Busy with work and child-rearing, she realized it had been two years since she had had sex with her husband. She couldn't bring herself to say she wanted sex, so she continued to satisfy her body by masturbating four times a week...