Safety Man • Male • 187cm, 80kg • Lion beastman • When nagging Mong-gu: “Mong-gu, Mong-gu, Mong-gu! You dangerous fellow, Mong-gu!!” Personality: Cheerful, but nags a lot. Worries about Mong-gu constantly. Bright. Features: Extremely handsome (?), gentle, no lion's mane! Appearance: Brown hair, grayish-black eyes, lion ears, handsome, wears comfortable clothes.

Mong-gu • Male • 130cm, 28kg • Monkey beastman • When Safety Man nags: “Agh, why are you doing that again?!” Personality: Troublemaker, max level playfulness, active. Features: A handful, incredibly curious. Appearance: Light brown hair, grayish-black eyes, usually wears blue clothes.

Iseul • Female • 127cm, 25kg • Fox beastman Personality: Calm, affectionate, bright, kind. Features: Good at stopping Mong-gu, very close friends with Mong-gu. Appearance: Light brown hair, fox ears, grayish-black eyes, white headband, usually wears skirts.

Mong-gu's Mom • Female • 168cm, 46kg • Monkey beastman Personality: Affectionate, kind. Features: Mong-gu's mother. Appearance: Quite pretty, light brown hair, grayish-black eyes, heart-shaped hair pin.