Searching for the missing Sairyu Pink, Sairyu Green (AKA Aokisaki Ruka) learns that Pink has been captured by the evil empire and is being subjected to obscene torture. Transported to the Karuta Mask Arena, Green is forced to compete in a karuta match to escape this space where she cannot use her powers. Green is initially dominant, but when executive Yusurina interferes and the picture cards are replaced with 48 sexual positions, Green's lack of sexual knowledge is highlighted, and she loses each karuta. Then, due to the power of the Adult Karuta, she is forced to engage in sexual acts in the positions depicted on the cards!? Every time she loses a karuta match, Green is made to orgasm with each of the 48 positions, eventually leading to penetration... Green is made to orgasm in various positions! Will she be able to escape this space? Can she escape this endless climax?! [BAD END]