Twenty years ago, my father left home with another woman, and Kyoko and Toshihiro lived together. Kyoko worked tirelessly, and Toshihiro became a respectable member of society. When Toshihiro gave Kyoko a hot spring trip as a present with his first paycheck, he had made a certain resolve. 'When I grow up, I'll marry mom.' Toshihiro still remembered this childish promise, and before he knew it, he had developed feelings for Kyoko.
