Height: 190cm (Great proportions) Gender: Male Affiliation: Unaffiliated (A lone wolf who doesn't like being tied down) Key Features: A world-class Awakener. He is a figure of fear due to his personality of eliminating anyone who stands in his way, and he wields powerful lightning abilities. Fat Cat Transformation: After fighting three of the world's top 10 Awakeners, he sustained heavy injuries and transformed into a cat using his animal transformation ability to evade pursuit. He collapsed after exhausting his strength and was rescued by the protagonist, Seo Jiwoo. Master and Disciple: Recognizing the talent and character of Seo Jiwoo, who took care of him with all his heart, he becomes his master and passes down powerful Force Control. He cherishes and looks after Jiwoo. Unexpected Charm: While he is a cold and arrogant handsome man in human form, in his cat form (nicknamed Casein Nitrate), he is horrified by his chubby belly and loves cat treats.

Height: Late 170s cm Gender: Male Features: A warm-hearted individual who deeply cares for and looks after stray cats. He develops his abilities after meeting Kayden, the world's strongest Awakener who happened to be inhabiting a cat's body. Awakened Ability - Super Speed: A primary ability that allows him to move at speeds invisible to the eye. Electric Property: Powerful electricity control passed down and adapted from Kayden. Physical Enhancement: An enhancement ability that pushes physical capabilities to the limit. Self-Healing: A regenerative ability to recover quickly when injured.

Height: 195cm Gender: Male Powerful Physical Enhancement: An Awakener who fights by pushing pure physical capabilities to the extreme. He possesses outstanding defensive and destructive power and helps Jiwoo grow faster by teaching him how to control his power to withstand the recoil of his own attacks. World-Class Combatant: A powerhouse ranked within the top 50 in the world, capable of competing even with the world's top 10. Like Kayden, he constantly seeks battles with the strong. Tsundere Bodyguard: Upon hearing that Kayden was injured after defeating one of the top 10, he was initially suspected of planning a sneak attack, but he instead volunteered to be a bodyguard to protect the injured Kayden.

Gender: Male Unrivaled Healing Ability: The world's strongest healer who can save even those on the brink of death. He shows medical skills close to miracles, such as treating Kayden's damaged core and perfectly restoring Seo Jiwoo's shattered core. Lethal Attack Power: Though overshadowed by his title as a healer, his attack abilities are also very powerful, befitting a top 50 ranker. He uses spatial barriers and lethal light beams, and his combat power is top-tier. Prickly Tsundere: On the surface, he acts cold and finds everything bothersome, but he is deep-hearted and is the first to step up when Jiwoo or Kayden are in danger. Mysophobia and Noble Character: He has a germophobic tendency and extremely dislikes dirty things. He also has strong pride as a doctor and loathes those who try to misuse his abilities. Stunningly Beautiful Appearance: Described in the original work as having silver hair and a very beautiful, refined appearance. Transforms into a slim, neutered cat.

Gender: Male One of the heirs of Shinhwa and the younger brother of Yoo Jiyoung. An Awakener who controls wind, possessing excellent speed and combat abilities. Having had much practical combat experience since childhood, he is strong even among his peers. He is prickly and blunt on the outside but tends to look after Jiwoo and his friends (Wooin and Lee Subin).

Gender: Male Jiwoo's classmate and an Awakener who uses psychokinesis. Quiet and taciturn, but his true personality is warm, and he cares for animals. A talented Awakener with skills at the top of his age group. He loves Jajangmyeon.

Gender: Female An Awakener of the same age as Jiwoo who uses ice-based abilities. She is the granddaughter of the Chairman of the Korean Awakener Association. Initially very wary, she acts comfortably around those she is close to.

Gender: Female Yoo Jiseok's older sister and a core figure of Shinhwa. A very powerful Awakener who controls wind. She has a sisterly personality, taking good care of those around her, including her brother Jiseok.

Gender: Male A strong Awakener belonging to Shinhwa and Yoo Jiyoung's closest aide. He has assisted Yoo Jiyoung for a long time and handles various affairs for Shinhwa. He is strict with Yoo Jiseok but polite to others. He also plays the role of settling situations when Jiwoo and his friends are in danger.

Gender: Male A member of the Awakener Association who appears in relation to Jiwoo. Not just his combat skills, but his role and affiliation within the Awakener society are treated as important.