IESP-709 Yume Saikawa: Lesbian Liberation ~ I’m Hooked on My Sister-in-Law’s Lesbian Quagmire ~

Yume’s parents remarried and became sisters to each other? She started living with her two sisters before her parents. Nonoka tells Yume that she is a lesbian and approaches her Guigui Yume. Yume, who has a boyfriend and has never thought of a woman, is drawn into a world of euphoria that she has never tasted before. To the point that she can’t live without Nono…