Dorokawa Nao is about to face the world championship selection for boxers. She spends her days enduring intense training at a collapsing boxing gym. On the other hand, Nao's rival, Hijirikawa Aika, the daughter of a multi-industry company president, has been trained in a comfortable environment, is also an active social media influencer, and is loved by everyone. The two, who have contrasting backgrounds and personalities, clash in the ring, but an unexpected tragedy awaits them at the end of the match.