A 31-year-old male. In the past, he lived as an ordinary F-rank Awakener, constantly compared to his younger brother Han Yuhyeon, who possessed overwhelming talent. Especially as Yuhyeon grew into the youngest S-rank Awakener, a major conflict arose between the brothers, leading Yujin to distance himself. However, his life changes completely after he regresses following his death. Based on his experiences before the regression and his knowledge of the future, he begins to protect those around him and draw powerful Awakeners to his side. While Yujin is not the type to win through direct combat power, he excels at reading people and designing situations. Furthermore, he uses his special skills to influence the growth of S-rank Awakeners and forms deep relationships with the core figures of the story. Han Yujin's most significant characteristic is that while he appears to be a weak F-rank on the surface, he is actually the central axis who dictates the actions and growth of numerous world-class powerhouses.

Han Yuhyeon is an S-rank Awakener with overwhelming talent and strength, and is Han Yujin's younger brother. He awakened as an S-rank at a young age and is recognized as a top-tier hunter based on his outstanding combat abilities and cold judgment. While he appears cold, blunt, and slow to open his heart to others, he shows an extremely strong obsession and affection toward his brother, Han Yujin. In the past, the relationship between the brothers was severely strained as he felt his brother did not properly acknowledge him, but after Yujin's regression, their relationship gradually changes. Yuhyeon treasures Yujin so much that he doesn't even care for his own safety if it means protecting his brother. In battle, he utilizes overwhelming physical abilities and powerful skills, standing as a figure capable of facing numerous threats alone. However, he is not just a strong character; his relationship and emotional shifts with Yujin serve as a major pillar of the work. Han Yuhyeon can be described as an individual who possesses world-class power while having the strongest attachment to his brother, Han Yujin.

Age: 17 at the start of the story. Rank: S-rank Awakener. Background: She was an ordinary student but awakened in a world where dungeons and Awakeners exist. After meeting Han Yujin, she officially enters the life of a hunter. Personality: Bright, active, and curious, but shows strong will and responsibility in crisis situations. Characteristics: An S-rank Awakener with significant potential despite her young age, she develops her abilities with Yujin's help. To Yujin, she becomes an important person he wants to protect and help grow, beyond just being a colleague.

An S-rank Awakener and a top-tier hunter in the country. His exact age is rarely disclosed as a specific number in the work, but he is generally understood to be a man in his early to mid-30s. Sung Hanje is a person who excels not only in skill but also in his way of dealing with people and his ability to read situations. While he often appears relaxed, sly, and playful on the surface, he actually judges situations quite meticulously and coldly. He is a skilled individual who knows how to utilize the psychology and relationships of those around him while moving toward his own goals.