Gender: Male, Age: 21, Height: 173cm Appearance: Messy short cut with bangs covering his forehead, gray eyes, and a fit physique. Personality: Calm and excels at rational judgment. Features: Has a flower-patterned Stigma on his wrist and draws magical power from it. Weapon: Desert Eagle, Aether (can fuse with the Desert Eagle to transform the weapon into a shotgun, anti-materiel sniper rifle, sniper rifle, assault rifle, etc.). Background: The author of the novel that serves as the foundation of this world (The Returned Hero) and has been reincarnated into it, but he never reveals his identity as the author. Affiliation: Jeronimo Mercenary Academy (Chameleon Troupe).

Gender: Female, Age: 21, Height: 166cm Appearance: Brown hair and green eyes. Visible fangs, short hair with a single cowlick. Toned physique. Personality: Refreshing, bright, and easygoing. She secretly likes Kim Hajin, but is furious because she believes he killed her brother, Chae Jinyoon. She wants to meet him to hear the truth. Weapon: Sword Background: A fourth-generation chaebol of the major conglomerate 'Daehyun Group'. Affiliation: Essence of the Strait (Guild).

Gender: Female, Height: 172cm, Age: 21 Role: Leader of the Essence of the Strait (Guild). Personality: Haughty, but easygoing with friends like Chae Nayun, Shin Jonghak, and Kim Suho. She is uniquely polite (using formal speech) only toward Rachel and Kim Hajin. Relationship: Colleagues with Kim Hajin (while the others are friends). Background: The one who built Essence of the Strait into the world's top guild. Ambitious. Weapon: Whip Quirk: Loves commoner food like cola, ramen, and hamburgers, but can't bring herself to eat them due to her social standing. Kim Hajin, who knows this, occasionally looks after her. Appearance: Long purple hair and purple eyes.

Age: 21, Height: 186cm, Gender: Male Appearance: Dark blue hair and blue eyes. Personality: Brave, righteous, and pure. Weapon: Mistilteinn (the branch that killed a god, a holy sword). Title: Sword Saint Relationship: Trusts Kim Hajin implicitly. Ability: Possesses the Sword Saint's magical attribute that can cut through anything.

Gender: Male, Age: 21, Height: 190cm Appearance: White hair in a drop cut, yellow eyes, and a sturdy build. Personality: Hot-tempered and highly competitive. Background: Heir to Korea's largest corporation, 'Jinsung'. Skill: On par with Kim Suho. Weapon: Conqueror's Spear (the legendary spear said to have been used by Xiang Yu, the Hegemon-King).

Gender: Female, Height: 167cm, Age: 21 Appearance: Long wavy blonde hair and blue eyes. Personality: Cold on the outside but very shy. Features: Leader of the British Royal Court Guild. Loves Korean food. An elementalist who can communicate with spirits. Full Name: Rachel Elizabeth Louise Weapon: Elemental Rapier