Tsukasa Kishi

At a women-only SM club, Aya, a regular client, becomes captivated by Nanako, a submissive working there. As their sessions deepen, mutual attraction leads to a relationship. Though Aya understands Nanako's work with other clients, loneliness drives her to visit another club—something Nanako finds out. In a reversal of roles, Nanako begins to humiliate Aya using the same practices she once received, escalating into a complete emotional and physical domination.

Arimura and Tamaki were high school classmates. Back then, Tamaki had feelings for Arimura, but being at that delicate age, she kept her emotions hidden. For some reason, however, it became known around school that she was a lesbian, and she was bullied. Even during that time, Arimura was kind to her, but it was actually Arimura who created the opportunity for her lesbianism to be discovered. When they meet again for the first time in a long time, Tamaki finds out about this...