From the start of their marriage, her husband's constant infidelity—even on days off—made Yayoi sick of him. She poured all her love into her son, Kota. Growing up seeing his mother's lonely back, Kota started thinking, 'I'll be the one to replace that worthless father!' And with her son's reassuring words, 'I'll protect you, Mom,' Yayoi's heart was stirred.
