Yuu Asuka dreams of winning the money so she can save her brother's restaurant, but first, she must battle her way through the world's sexiest martial artists! The list of Yuu’s buxom competitors includes her friend Misumi, who isn't about to miss a chance to finally beat Yuu. Unfortunately, Misumi doesn’t know anything about the penalties for failure, and she's been selected as Yuu's opponent in Round 1! Will Yuu sacrifice her own dream in order to save her friend from the terrible punishment that awaits the loser?