Easy-to-climax nymphos show their incredible willpower! The rules are simple: the first to make their opponent orgasm wins! With orgasms forbidden, the tension in the lesbian battle intensifies to the max! There's a continuous game of near-limit shell matching, building up excitement to its peak. The accumulated pleasure, maxed out, suddenly overflows! The loser faces the penalty of wearing a penis-shaped pillow (peniban)! Enjoy a different kind of strategy and mind games in this lesbian battle, unlike their usual raw, full-frontal encounters. Note: Content may vary depending on the distribution method.