One day, when her son Satoshi came home dejected, mother Toshiko asked him what was wrong. He tearfully confessed that he had been rejected by a girl because he had no experience with women. Remembering a promise she'd made to him during his school days—“When you grow up, study hard, and get a job, I'll give you anything you want”—he desperately pleaded with her to grant him his first experience, clinging to her in tears.