A man hired for a job arrives at a forbidden zone and discovers a mysterious, injured beast in great distress. Despite his orders and the danger, he decides to risk his own safety to treat its severe wounds. As a citywide evacuation is called due to the beast's rampage being deemed an S-class calamity, the man successfully administers a series of stabilizing treatments. To the astonishment of watching guards, he subdues the colossal creature with a single, precise strike, saving the city but exhausting himself in the process.