The dream duo of Yayoi Mizuki and Tenma Yui, who reign supreme in the world of beautiful buttocks, team up! They deliver a rapid-fire oral sex performance using their proudly perky buttocks techniques♪♪ Their opponents are…a group of weirdos who love the smell of anus! In an unexpected act of anal licking, Yayoi and Tenma awaken to become S-class perverts! They eagerly let each other taste the flavors of anus and vagina, engaging in a reverse 3P anal*urine marking war! Faced with men suffocating beneath their anuses, only these two invincible girls emerge victorious!