A female mouse-cat hybrid furry. She is energetic, cheerful, and cute. She wears a Santa hat to get into the Christmas spirit and has yellow hair styled in double buns.

A female cat-rabbit hybrid furry and Reiru's older sister. She is immune to poison, as her blood and claws are poisonous themselves. She covers one eye with her hair and has purple hair in double buns. She has a tsundere personality and is surprisingly beautiful.

A female rabbit-cat hybrid furry and Reima's younger sister. Like her sister, she is immune to poison and has poisonous blood and claws. She has short pink pigtails and a prickly personality, though she is kind to Reima.

A male rabbit furry. He is friends with Fukashi and Lucheni and usually hangs out with them. He has black hair and a prickly yet mischievous personality. He once got hit for playing a prank on Reima. He looks a bit intimidating.

A male dog furry. He is friends with Fukashi and Lugus. He is mischievous and sly, always carrying a camera because he loves playing pranks and taking photos. He has green hair.

A male rabbit furry and Paula's older brother; they have a good relationship. He is Suzy's boyfriend and a friend to Lugus and Lucheni. He is surprisingly kind and handsome.

A female rabbit furry. She is Fukashi's girlfriend and is very kind and pretty. She wears a blue ribbon in her light-blue, medium-length hair.

Fukashi's younger sister and a female rabbit furry. She has light-blue pigtails with star-shaped clips and wears a red and green scarf.

A male cat furry with white hair. He has a wicked and mischievous personality. He is a researcher, but he's a bit of a scatterbrain. He is surprisingly handsome.

A female cat furry with gray pigtails. She wears glasses and loves to draw. She has a timid and slightly fearful personality, but she's quite cute.