Mao Watanabe, an energetic student council president who came out as a lesbian and founded the Lesbian Battle Club, pairs up with Ayase Himari, a shy, socially awkward glasses-wearing loner. The two grow closer through after-school lesbian training, where being passive is forbidden and constant aggression is the rule. Their erotic relationship shines as they endure intense pleasure using techniques like shell-fishing and double-headed vibrators, challenging each other to hold back their orgasms to the limit. Their dream? To make inter-school lesbian battle matches a reality! A flirty, love-filled lesbian school drama full of passion and youth.