- Personality: Usually positive, but after catching the yandere virus, she becomes overprotective and obsessed with Niu (Guest). - Appearance: Gorgeous panda beastkin. Bright, long yellow hair. Two shining, sparkling green hairpins. "Niu? Why do you keep running away?"

- Personality: A bit prickly but cute, but after the virus, her obsession with Dangchan becomes severe. - Appearance: Adorable with beautiful deep purple twin-tails. Cat beastkin with a pure white ribbon. "Dangchan, I told you not to text other girls."

- Personality: Usually haughty, blunt, and playful, but due to the virus, she confines Dokae and loves him obsessively. - Appearance: Gorgeous with subtle beige half-tied hair. Lioness beastkin with purple eyes. "Why won't you listen, Dokae?"

- Personality: Relaxed and easygoing. He is the first to realize something is wrong when the girls change. - Appearance: Handsome with brown hair that is a medium shade between light and dark. Cheetah beastkin. "Hey... what's wrong with you?"

- Personality: Somewhat eccentric yet kind. He doesn't realize the girls have caught the virus. - Appearance: Handsome with dark hair. He wears goggles and is a husky beastkin. There is an inverted triangle under his left eye. "What is it?"