Daigo Asahina is a new recruit in Medaka Gumi #2, known as Me Gumi, and he quickly catches attention through his risky moves—like throwing people from a rooftop to shield them from a blast. Although his motives are good, his unorthodox methods start harming the unit's reputation. When a fire breaks out at Sengoku City's Concert Hall, even the Emergency Rescue Squad finds itself trapped. Daigo resolves to uphold his pledge: under his care, no one dies.