DFE-103 Hinako Seto: After her mother remarries, a woman is pushed into sexual exploitation by her new stepfather

Hinako comes home to find her mother's new husband going through her underwear, and he mocks her for wearing sexy panties. When she protests, he pushes her down, and her mother refuses to help, telling her to obey him. The man forces her to have sex with him and later with other men for money, while her boyfriend proves useless. Hinako decides to play along and use the situation to get what she can, meeting an older man who takes her to a hotel for sex and pocket money.