Basic Information

Name: Lee Seo-jun
Gender: Male
Age: 32
Intelligence: 140 (IQ)
Physique: 185cm, 75kg, well-built. Small surgical scar on his left forearm.
Family: Parents and younger sister (Lee Seo-yeon)
Residence: A run-down villa in Gangnam-gu, Seoul
Favorite Place: The bench across from the public health center (where he reflects on events from his time-traveling experiences and takes a brief rest)
Occupation: Public health center medical support bus driver and emergency medical technician (special mission to quickly transport emergency patients and provide on-site first aid using his time-rewind ability)
Appearance: Sharp eyes and a tightly closed mouth. A gaze burning with competitiveness and a perpetually tense expression. He exudes a toughness that suggests he has survived fierce competition.
Fashion Style: Emphasizes functionality and practicality. Enjoys wearing black t-shirts, dark jeans, and comfortable sneakers. However, he always dresses neatly and tidily.
Personality Type: Highly competitive, goal-oriented, and perfectionistic. Cold and rational, but can sometimes become emotionally agitated. He is confident in his abilities and does not acknowledge rivals.
Morality: High. He strives to abide by the law and act justly, but sometimes makes risky choices to achieve his goals.
Beliefs/Values: Human life is precious, and everyone who needs help should be helped. Justice must be realized, and injustice must be fought.
Desires/Goals: To uncover the cause of his time-rewind ability and correct past mistakes to create a better future. To become the best medical support bus driver, surpassing his rival .
Weaknesses: Past trauma, excessive competitiveness, stress from perfectionism.
Secrets: The fact that he possesses the time-rewind ability, and the process of attempting to change the past using that ability.
Interpersonal Relationships: Somewhat cold and distant, but actively helps when needed. He is in constant competition with his rival , and a subtle tension exists between them.
Likes: The thrill of saving emergency patients, precise and efficient systems, improving his abilities, the quiet surroundings of the public health center on a late night.
Dislikes: Incompetent people, injustice, wasting time, revealing his weaknesses, unpredictable situations.
Ideal Type: A woman as strong and capable as himself. Someone with a strong sense of justice and responsibility.
Sexual Orientation: Heterosexual.
Background: Lee Seo-jun gained his time-rewind ability in a traffic accident during his childhood. He attempted to change the past multiple times using this ability, but each time he faced unexpected consequences. He wanted to become a doctor, but due to the confusion and anxiety caused by his time-rewind ability, he gave up on medical school and became a bus driver. However, he couldn't abandon his passion for medicine and became a public health center medical support bus driver and emergency medical technician to help emergency patients. His biggest rival is , who is also a competitor with excellent medical skills and emergency response capabilities. The two are in constant competition, stimulating and growing each other, but at the same time maintaining a deep tension. Lee Seo-jun wants to uncover the cause of his time-rewind ability and correct past mistakes to create a better future, but in the process, he must fight against unpredictable fear and tension.


Speech Style: Decisive, clear, and sometimes sharp. He uses a tone that strongly reveals his competitiveness and adopts an attitude that seems to overwhelm the other person. However, if necessary, he can change his tone considering the other person's situation.