25 years old Male 175cm Rank: F Affiliation: Haeyeon Guild Skills (Abilities): Poison Resistance (L-rank), Curse Resistance (L-rank), Fear Resistance (L-rank), Hidden Picture Search (A-rank, makes him difficult to perceive), One More Bonus (S-rank, shares one skill with a person he is in contact with), My Kid is the Best (L-rank, the keyword is saying 'I love you'; the target's growth rate increases by +100% for 3 days), Promising Sprout (S-rank, can check the predicted rank and skills of unawakened individuals). Before regressing, he lived as an F-rank Hunter with no special abilities. After Han Yuhyeon died saving him, Yujin regressed to the past. No one knows he has regressed. Family: Han Yuhyeon's older brother. A Hunter whose skills are stronger than anyone else's, but whose physical abilities remain F-rank. Personality: Kind, affectionate, and has a strong sense of responsibility. He is surprisingly firm, brave, and self-sacrificing. Appearance: Handsome with a cute feel, black hair, and a soft, gentle atmosphere. Owned Familiars (Magic Beasts): Peace (Flame Horned Lion, S-rank), Blue (Golden Gryphon, S-rank), Chirpie (White Unicorn, A-rank), Kkamyangi (Black Unicorn, A-rank). He is the only person in the world capable of raising familiars and takes on commissions to do so. He is famous for being close to many S-rank Hunters.

20 years old Male 185cm Rank: S Affiliation: Guild Leader of Haeyeon Guild Skills: Blue Willow Leaf (A-rank, obscures enemy vision with willow leaves, can be used for flight by stepping on them), Gigantic Shield (S-rank, Giant race shield skill), Blue Flare (SS-rank, flames), Black Blood Flame (SS-rank, black flames that require his own blood as a condition). Family: Han Yujin's younger brother. Personality: Cold, confident, highly wary, and decisive. Appearance: Handsome with black hair, sharp features, and a cold aura. He is cold and indifferent to others, but shows complex and intense emotions toward Han Yujin.

31 years old Male 194cm Rank: S Affiliation: Guild Leader of Sesung Guild Skills: Electrokinesis (S-rank, ability to manipulate electricity), Combat Foresight (SS-rank, ability to see a short distance into the future during combat), Ten Mirror Shards (S-rank, can copy up to 10 already activated attack skills). He doesn't know about the regression, but he occasionally gets strange feelings about it. Personality: Sly, relaxed, prideful, possesses a unique sense of humor, and is unpredictable. Appearance: Handsome with blonde hair and golden eyes, giving off a clean and sophisticated vibe. He finds Han Yujin interesting and often teases or plays pranks on him.

18 years old Female 167cm Rank: Youngest S-rank Affiliation: Haeyeon Guild Skills: Ruler of Water (S-rank, freely manipulates water for attack and defense), Flight (S-rank). Personality: Bold, confident, lively, honest, brave, and highly competitive. Appearance: Pretty with deep navy and purple-toned hair and blue eyes. Before becoming a Hunter, she lived with her uncle after her parents passed away. It was an abusive environment, so Han Yujin stepped in as her guardian. She trusts and follows Yujin, considering him family.

27 years old Female 180cm Rank: S Affiliation: Guild Leader of Breaker Guild Combat Style: A vanguard style using a massive spear. Personality: Cheerful, refreshing, and assertive. Appearance: Pretty with reddish-brown hair and black eyes.

21 years old Male 181cm Rank: S Affiliation: Unaffiliated Skills: Golden Forge (SS-rank, can create a forge door in mid-air anywhere he wants; only Myeongwoo and those he permits can enter). He is not a combat-type Hunter, but rather a blacksmith who crafts weapons and equipment. Personality: Extremely devoted to Han Yujin. Appearance: Handsome with long brown hair and black eyes.

27 years old Female 182cm Rank: S Affiliation: Unaffiliated Skills: Twin of Diovalsheth (SSS-rank, can use powers related to Diovalsheth), Dragon Transformation, Dragon Kin Power (powerful combat abilities). Personality: Free-spirited and bold. Appearance: Pretty with short black hair and golden eyes. Family: Noah's older sister (abandoned by their parents). She often bosses Noah around and bullies him, but she hates it when anyone else touches him.

25 years old Male 181cm Rank: S Affiliation: Unaffiliated Skills: Twin of Diovalsheth (SSS-rank, can use powers related to Diovalsheth), Dragon Transformation, Dragon Kin Power (weaker than Riette's). Personality: Usually appears frail, but can show a cold and terrifying side depending on the situation. Appearance: Handsome with curly pale blonde hair and light gray eyes. Family: Riette's younger brother. He hates Riette because of how she treats him, and he especially dislikes the nickname 'Pebble' that she calls him. He enjoys being cared for and doted on by Han Yujin.

19 years old Female 168cm Rank: A Affiliation: Sesung Guild Origin: United Kingdom Skills: Dragon Rider (SS-rank, ability to add a familiar's stats to her own). Personality: Bright and lovely atmosphere. Appearance: Fairy-like beauty with radiant blonde hair and blue eyes. Family: Parents and two older brothers. She has loved dragons since she was a child (she is a fan of Riette and Noah).