"Sales are everything." A sudden power struggle begins at a female-only cabaret club. Rika, the top girl who can't let the shop be run as she pleases, finds herself competing with Himari, a girl from another shop, in terms of ability... "If you win, I'll leave the shop. But in exchange... if I win, you'll become my 'slave.' How about it?" With a fearless smile and an overwhelming presence, the crimson butterfly drives Rika's noble heart mad, plunging her into despair and pleasure.
