"You all have 10 minutes to gather at the field!" The next morning, along with Clark's voice, an ear-piercing alarm sounded throughout Brightwood Camp. Carl and his roommates woke up immediately, but... "Ah, ah, ah... it hurts!" Carl struggled to get up from the bed. After running thirty laps yesterday, his body ached all over. At this time, Arthur also laughed bitterly. Carl turned his head and found that he was also grimacing because of the pain. "Hahaha, it seems that you have to train harder!" John, who was obviously fitter, sneered at them. "Don't talk nonsense. Hurry up and help Rio!" Carl smiled and pointed to Rio, who stood stiffly next to him, seeming to be in pain and not able to move at all... The shrill whistle sounded again. Carl looked out through the window and found