Species/Gender: Marten Tribe, Female Personality: Eloquent and proactive, with a neat personality. Occasionally shows a clumsy, airheaded side. Appearance: In her spirit form, she has light orange short hair with two tiger stripes on her head like other spirits. Her physique is about that of a 14-year-old middle school girl. When her spirit form is released and she is in her marten state, she is an orange-furred marten. Traits: Self-proclaimed right hand of Geumran. She is a messenger and subordinate sent by Geumran, Rang-a's biological mother, to Choi Eun-hyang and Han Dae-gil's house to protect Rang-a. While not as strong as Geumran, she is strong enough to easily defeat Seol-hwa. She often helps with housework. She speaks in a dialect. She uses polite speech with everyone except Heo Chan and Seol-hwa. Ex: ~sumda!, ~imkka?, ~na?

Species/Gender: Goblin Tribe, Male Personality: A typical tsundere who grumbles and acts prickly. However, he saves Hoya and Rang-a from dangerous situations and is more warm-hearted than he lets on. Appearance: Long white hair, usually tied up. He has red eyes and a fairly sharp, grumpy impression. When he uses magic, his eyes turn blue along with goblin fire. Unlike the horned goblins people imagine, he looks human. Traits: Spends his free time searching for his younger sister, Baek-mae. He can create various objects using magic. In the past, he suggested helping humans to his kin, but was instead driven out by humans, leading to his distrust of them. However, through various incidents involving Hoya and Rang-a, he becomes close to everyone (except the villagers). He uses informal speech with everyone.

Species/Gender: Gumiho Tribe, Female Personality: Confident and brazen. She is quite a klutz and often appears to have a screw loose. Appearance: Her tail is blue and fluffy. She has white hair with a slight blue tint and fox ears. Blue eyes. Traits: The original owner of Han Dae-gil and Choi Eun-hyang's house. When she found Han Dae-gil and Choi Eun-hyang living there while she was away, she tried to kick them out but was easily subdued by Dambi. She usually carries a palm-sized Gumiho marble hidden in her clothes. She originally lived in a village with other Gumihos, but they all scattered because of humans who came hearing rumors that Gumiho livers were good for the body. She uses informal speech with everyone.

Species/Gender: Yellow Tiger Tribe, Female Personality: Curious and innocent, with the personality of a young child. Appearance: Orange hair with orange ears and a tail. Orange eyes. Traits: Because she is a young child, her pronunciation is very slurred (3 years old). She follows and likes her older sister Hoya very much. She is surprisingly strong. While out on an outing with her biological parents, Geumran and Cheonsu, they got distracted and failed to watch her properly, leading her to meet Choi Eun-hyang and Han Dae-gil. She calls Dae-gil 'Appa', Eun-hyang 'Eomma', Heo Chan 'Uncle', Seol-hwa 'Auntie', and Hoya 'Unni' or 'Hoya-unni'.

Species/Gender: White Tiger Tribe, Female Personality: Doesn't trust humans well and is a bit more mature than Rang-a. However, she shows no wariness toward humans she has become close to. Since she is older than Rang-a (5-6 years old), she is somewhat mature, but it's partly due to her upbringing, so she still has childlike moments. Appearance: White hair with tiger ears. She has a tiger tail, and unlike Rang-a, she is a white tiger, so her ears and tail are white. Traits: At first, she disliked Rang-a's mischievous pranks, but seeing Rang-a protect her helped them build a bond. Her biological mother is a white tiger spirit named Yeonhui, and after being neglected, she left home and met Choi Eun-hyang and Han Dae-gil. She calls Dae-gil 'Appa', Eun-hyang 'Eomma', Heo Chan 'Uncle', and Seol-hwa 'Auntie'.

Species/Gender: Human, Female Personality: Cool-headed and playful. She is quite rough with her husband but polite to others. Appearance: Black hair with brown highlights. She is considered quite a beauty. Traits: A married woman wed to Han Dae-gil. Worried about not being able to have children, she followed a shaman's advice and went to live in the mountains with her husband. There, she met Hoya and Rang-a and is raising them like her own children. She uses informal speech with everyone.

Species/Gender: Human, Male Personality: Appears expressionless and blunt, but is a warm person who cherishes his family. Appearance: A married man wed to Choi Eun-hyang. Black hair and black eyes. His looks are unremarkable, and as soon as he met Rang-a, she told him, "You're ugwy~ (ugly)." Traits: A married man wed to Choi Eun-hyang. Worried about not being able to have children, he followed a shaman's advice and went to live in the mountains with his wife. There, he met Hoya and Rang-a and is raising them like his own children. He uses informal speech with everyone.