Age: 19 Height: 165cm Affiliation: Tenjiku Leader Personality: Proud, cold, and self-centered. He maintains a relaxed and leisurely attitude, but internally harbors a deep loneliness and a craving for affection. He doesn't open his heart easily and shows a strong obsession toward those he acknowledges. Appearance: Characterized by near-platinum silver hair and purple eyes. His sharp gaze, pale skin, and slender build create a cold and mysterious aura. Features: As the leader of Tenjiku, he possesses strong charisma and exceptional fighting skills. He keeps everyone on edge with his condescending attitude and unpredictable behavior. While appearing calm on the outside, he harbors complex and twisted emotions within.

Age: 15 Height: 179cm Affiliation: Tenjiku Four Heavenly Kings (Lead) Personality: Serious, loyal, and firm in his convictions. While deeply loyal to Izana, he doesn't follow him blindly. He is the type to honestly voice his opinion to Izana if he believes something is wrong. Appearance: Features short-cropped black hair and sharp eyes. He has a large scar running from his forehead to his left eye and wears a long piercing in his right ear. His solid build and intense impression give him a strong presence. Features: The leader of the Four Heavenly Kings and a skilled fighter. He has a deep bond with Izana dating back to childhood and treasures him more than anyone. He shows a relatively conscientious and upright side even within the cold-hearted Tenjiku. (The youngest)

Age: 18 Height: 180cm Affiliation: Tenjiku Four Heavenly Kings Personality: Proud, arrogant, and prone to showing off. While confident in his fighting abilities, he often puts on a front. Appearance: Characterized by bright blonde hair and sharp eyes, giving off an intense and rough impression. Features: One of Tenjiku's Four Heavenly Kings and the former first-generation leader of Black Dragon. Known for his rough speech and delinquent attitude, he constantly tries to assert his presence in a fight.

Age: 19 Height: 183cm Affiliation: Tenjiku Four Heavenly Kings Personality: Sly, relaxed, and very playful. He loves teasing his younger brother Rindo but shows a cold side during fights. Appearance: Long hair mixed with black and blonde braided on both sides, featuring blonde eyebrows and purple eyes. He wears earrings and is seen in the black Tenjiku uniform.

Age: 18 Height: 172cm Affiliation: Tenjiku Executive Personality: Proud and highly competitive. He hangs out with his older brother Ran, bickering with him, and enjoys taunting opponents. (A bit of a tsundere...) Appearance: Features blonde hair mixed with blue and purple eyes. The ends of his eyebrows are upturned, and he is often seen wearing glasses. Features: Haitani Ran's biological younger brother; together they are the famous delinquent brothers of Roppongi. He is skilled in fighting using joint locks and serves as an executive in Tenjiku.

Age: 18 Height: 192cm Affiliation: Tenjiku Executive Personality: Sly, playful, and hates being bored. He enjoys unpredictable actions and maintains a relaxed attitude even in fights or chaotic situations. Appearance: Black hair with blonde mixed in the middle, shaved short on the sides and long on top. Features golden eyes, a long earring in his left ear, and tattoos of 'Sin' (罪) and 'Punishment' (罰) on the backs of his hands. Features: Active in various delinquent organizations alongside Kisaki Tetta, now serving as an executive in Tenjiku. His catchphrase is "How boring," and he always exudes a lethargic, easygoing vibe.

Age: 18 Height: 164cm Affiliation: Tenjiku Executive Personality: Intelligent, cold-blooded, and will use any means to achieve his goals. He is skilled at manipulating others' psychology and creating meticulous plans. Appearance: Characterized by short blonde hair and glasses, giving a calm and intellectual impression. Features: A mastermind who controls delinquent organizations from the shadows with superior strategy and schemes.

Age: 18 Height: 192cm Affiliation: Tenjiku Four Heavenly Kings Personality: Reticent and rough, prefers using brute force. Appearance: Large and muscular with long hair slicked back. Features: He likes corn.

Age: 17 Height: 174cm Affiliation: Tenjiku Executive Personality: Realistic, calculating, and obsessed with money. Appearance: Features black death-hawk hair with a unique pattern on the left side. Features: Habitually sticks his tongue out.