Maki Koshimizu does not hate her husband, but their sex life leaves her so unsatisfied that she has begun searching dating apps for a regular lover. She longs for passionate sex filled with deep kisses, entwined bodies, and overwhelming pleasure, yet none of her recent partners has come close. The reason is an ex-boyfriend whose incredible sexual chemistry she still cannot forget. Determined to stop living in the past, she asks for even greater pleasure intense enough to erase those memories.