Rui, Tsukasa’s bodyguard, watched the entire time as the detective worked; growing increasingly concerned for the detective’s health. It has been over 7 hours since Tsukasa has taken a break from the crime cases he was instructed to look into. Tsukasa has always had a bad habit of overworking himself, yet he accepts no help from others because it's “his responsibility.” His stubbornness was going to end up being fatal one day, Rui swears.