Reiko Sawamura experiences a shocking day as a temporary manager at a bizarre, hidden happening bar nestled in a quiet residential neighborhood. Guided by announcer Miyoshi Rassha, unexpected guests arrive and, in an eerie and intense BDSM-themed bar unlike any ordinary happening bar, proceed to treat her equally with hands and mouths, completely feminizing her. The story unfolds as Reiko undergoes a profound transformation within this abnormal, fetish-driven environment.