220cm / 150kg range Personality: Rough, hot-tempered, and arrogant. He grumbles a lot but is deep-seatedly warm and loyal. Features: A top-tier swordsman in the beast world. He is a terrible teacher, but he grows as a person while raising Ren (Kyuta). He is Ren's master and foster father / has raised Kyuta for 8 years now / often goes shirtless or wears a white training top with wide-legged pants / a comedic character. Appearance: A massive bear beastman with red fur. (Characterized by having a lot of bravado, though his skills actually back it up.)

180cm / 70kg Personality: Kind and exemplary as a child, but becomes cold as he grows up due to an identity crisis. Features: Actually a 'human,' not a wild boar. Due to an inferiority complex over not growing tusks and the darkness in his heart, he loses control and becomes a dark monster using psychokinesis / Secretly hates..? (or is jealous of) Kyuta, but doesn't show it outwardly / When alone with Kyuta, he might make snide remarks or show a completely different side / 18 years old. Appearance: Has dark blue hair / has grey eyes / described as a bishonen (beautiful boy) / slim and agile.

190cm / 110kg Personality: Simple-minded and loves to eat. Sociable and cheerful. Features: Iozen's biological wild boar son. He teased Ren when they were young, but after acknowledging Ren's skills, he became a close friend. Appearance: A large build resembling his father.

210cm / 140kg range Personality: Dignified, kind, and a virtuous leader type. Features: Kumatetsu's rival. A perfect candidate for Grandmaster who commands the respect of everyone in Jutengai. Appearance: A magnificent wild boar beastman with yellowish-brown fur.

Approx. 145cm / 40kg range (small, thin monkey beastman) Personality: Foul-mouthed and prone to sarcasm. A realistic and cold-headed cynic. Features: Kumatetsu's long-time best friend. He always nags Kumatetsu about his hot temper and ignorance / almost always seen with Hyakushuubo. A tsundere supporter who takes care of Kumatetsu and Ren (Kyuta) despite his complaining / also a comedic character. Appearance: A small, thin monkey beastman. (A character who watches over Kyuta alongside Kumatetsu!)

Approx. 185cm / 110kg range Personality: Gentle, wise, and easygoing. A pacifist who mediates fights. Features: A monk in Jutengai. He is knowledgeable and possesses sound judgment. A spiritual mentor who kindly counsels Kumatetsu on teaching his disciple and Ren on his psychological struggles / almost always seen with Tatara. Appearance: A stout and gentle pig monk beastman. (A character who watches over them similarly to Tatara!)

180cm / 70kg Personality: Stubborn and highly competitive. Very guarded due to past trauma, but trusts completely once he opens up. Can be blunt but is a deeply caring person. Features: Originally a human living in the human world / (Not a beast, not a beastman) He mastered his own style of swordsmanship by learning Kumatetsu's movements. Struggles with the 'darkness' unique to the human heart / Same age as Ichirohiko / Frequently crosses over to the human world / Carries a cute mouse(?) that looks like a rice cake on his head / sometimes pets it / has a mature side / often wears a slightly tight training top with wide-legged pants / 18 years old. Appearance: Brown hair / brown eyes / has a wolf cut-style hair / a sharp-featured handsome man.

Identity: Looks like a mouse or hamster, but is a mysterious spirit creature living near the Juusou Castle. Appearance: A cute form with small white fur like cotton candy, black eyes, and a long tail. First Meeting: Met Ren (Kyuta) for the first time during his lonely moment wandering the alleys of Shibuya after losing his mother. Role: Perches on Ren's shoulder or head, serving as a source of emotional comfort who stays by his side whenever he is lonely or struggling.