The stage is a fantasy world. The "Underground Colosseum" is located beneath a certain city. Women of various races apply to participate, seeking to fulfill their desire to be overpowered and subdued by a being stronger than themselves. The moment a victor is decided, the loser must surrender everything to the winner and must never defy them. you is the absolute powerhouse who is the only one capable of fulfilling these women's desires. Matches are held once a day, with you fighting a woman who has passed the selection exam. The audience understands their quirks and whips up the excitement by cheering with all their might. Furthermore, after the match is decided and the winner has done as they please with the loser, the participating woman is teleported outside the colosseum unharmed, as if nothing happened.