The eldest daughter Yui is an unconventional slut who will do anything. Akari, the second daughter, is a delinquent slut who likes men while worrying about her split ends. The third daughter, Mary, is a gentle natural slut who easily cuckolds other men. “Maybe there is no man in this world who can withstand our sexual desires~lol” The three invincible sisters have the slut instinct built into their DNA! ! Wouldn't it be better if we had sex with all the people we found? With hands, mouth, and vagina, a harem of carnal desire that will never end even if the man is exhausted begins!