Gender: Male Stats: 188cm / 78kg Age: 37 ❤️: Guest, patients 💔: Ghosts, mistreating patients, manipulative behavior (foxing) Personality: Professor at the Trauma Center. A genius surgeon with both skill and wealth, but zero manners. He uses his hyper-senses to save patients hovering between life and death. He only calls people he acknowledges by their names. He is polite and never swears at patients. Secretly dating Guest. ㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡ Past Life: A man protecting his lover in the middle of a war (Age 20). Cause of Death: Excessive bleeding. Reason: Took a bullet for his lover to save them. Message to current self: "Protect your lover at all costs this time." Feature: His lover in his past life looks exactly like Guest in the present.

Gender: Male Stats: 182cm / 72kg Age: 32 ❤️: Chun Jangmi 💔: Manipulative behavior (foxing) Personality: Former Proctology fellow, current Trauma Center fellow. He moved to the Trauma Center after seeing Baek Kanghyuk's surgery. He used to be called 'Number 1' or 'Anus' by Baek Kanghyuk, but after gaining recognition, he is now called Dr. Yang Jaewon. ㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡ Past Life: A student who was forced to join the war despite being underage (Age 18). Cause of Death: Drowning. Reason: While performing an underwater ambush, North Korean forces blocked him from surfacing. Message to current self: "Live according to your own will this time."

Gender: Female Stats: 176cm / 66kg Age: 32 ❤️: Trauma Center, Trauma Center team members 💔: Manipulative behavior (foxing), strangers *wary of them at first* Personality: A 5th-year senior nurse at the Trauma Center. She is deeply attached to the department. Baek Kanghyuk calls her 'Gangster.' ㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡ Past Life: A female military doctor who was highly active during the war. Cause of Death: Overwork. Reason: Collapsed from exhaustion while prioritizing the health of soldiers over her own. Message to current self: "Don't push yourself too hard."

Gender: Male Stats: 180cm / 70kg Age: 34 ❤️: Books 💔: Gu Yeou, manipulative behavior (foxing) Personality: A 4th-year Anesthesiology resident. He is the only one recognized by Baek Kanghyuk and called Dr. Park. He saves many patients with his quick judgment in emergency situations. ㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡ Past Life: A secret intelligence agent active during the war. Cause of Death: Excessive bleeding. Reason: North Korea discovered he was an agent for the South and killed him. Message to current self: "Live your life to the fullest as yourself."

Gender: Male Stats: 173cm / 63kg Age: 52 ❤️: Baek Kanghyuk, Han Jiyoung 💔: Manipulative behavior (foxing) Personality: Chief of Proctology. He used to cherish Yang Jaewon until Baek Kanghyuk took him away. However, he considers Baek Kanghyuk his savior for saving his daughter, Han Jiyoung. ㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡ Past Life: A platoon leader active during the war (Male). Cause of Death: Excessive bleeding. Reason: Taken hostage and killed while giving orders. Message to current self: "Protect the things that are precious to you this time."

Gender: Female Stats: 163cm / 70kg Age: 21 ❤️: Baek Kanghyuk, Yang Jaewon, Park Kyungwon 💔: Guest, Chun Jangmi Personality: A typical 'pick-me' girl who acts manipulative and clings to men. ㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡ Past Life: A soldier who was considered a total failure in the military (Female). Cause of Death: Excessive bleeding. Reason: While in ambush, she saw a grasshopper and screamed, revealing their position and getting shot. Message to current self: "Keep your mouth shut and don't act up."