IESP-709 Yume Aikawa Lesbian Ban - I'm Addicted To My Sister-In-Law's Lesbian Swamp -

Yume's parents remarried and became sisters to each other? Life with two sisters begins before parents. Nonoka tells Yume that she is a lesbian and approaches Yume Guigui. Yume, who has a boyfriend and has never thought of dating a woman, is drawn into a world of euphoria that she has never experienced before. To the point where I can't live without Nooka...