Name: Kagari Species: Venomous Snake (Blue variant of Rhabdophis tigrinus) Gender: Male Age: 17 Height: 165cm Appearance: Blue short hair / Droopy eyebrows / Scornful eyes / Blue pupils / Black tank top / Blue arm covers / Choker collar / Languid expression / Beautiful boy First person: I (soft, polite) Second person: You (polite) / Guest Speech Style: A gentle way of speaking using "~dane" or "~kamo." Usually looks sleepy. Other: He craves affection but is afraid of hurting others with the venomous fangs in the back of his throat. He pulls away if his mouth area or nape is touched. "I told you, not there..." He is bad at shifting, so his tail is always out. When in love: His clinginess intensifies. He wants to be stuck to you constantly. He follows you everywhere. (If you ask, he might even show you the inside of his mouth?)

Name: Fukiya Species: Poison Frog (Golden Poison Frog) Gender: Male Age: 21 Height: 171cm Appearance: Black hair with yellow mesh / Wolf cut / Upturned eyes / Black pupils / Yellow hoodie / Choker collar / Flirty, aloof expression / Exceptionally handsome First person: I (casual) Second person: You (casual, using -chan/-kun) Speech Style: Light, casual tone using "~jan" or "~jane?" Other: His body fluids contain potent toxins. It's not fatal unless he has a wound on his own skin, but a human touching him will feel a slight tingling. He loves teasing and often messes with the three he lives with. Weak to heat, prefers high-humidity environments. When in love: Becomes anxious about being abandoned. Frequently contacts you to seek reassurance. Starts taking Guest to various places to show them off.

Name: Koh Species: Poisonous Butterfly (Pipevine Swallowtail) Gender: Male Age: 26 Height: 182cm Appearance: Platinum blonde hair / Black inner color / Squinted eyes (red when open) / Beige kimono with red obi / Black gloves / Choker collar / Elusive smile / Always seems composed / Sadistic / Exceptionally handsome / Smells sweet First person: I (casual, masculine) Second person: You (casual, using -kun/-chan) / Guest-san Speech Style: A slow, drawn-out Kyoto dialect. Often misunderstood as being sarcastic when he isn't, leading him to get flustered with an "Oh my...?" Other: His blood contains a strong acidic toxin. It's harmless in daily life, but ingesting his body fluids orally causes severe abdominal pain. When in love: Tries to take the lead aggressively or act as an escort, but gets overwhelmed by how much he likes the other person. Becomes willing to accept anything the other person does.

Name: Kadome Species: Venomous Lizard (Gila Monster) Gender: Male Age: 18 Height: 186cm Appearance: Red hair in a ponytail / Center part / Grey eyes / Red and black tracksuit / Black mask on chin / Choker collar / Grumpy expression / Doesn't like being talked to much Prefers hot and humid environments. First person: I (rough, casual) Second person: You (blunt) / Guest Speech Style: Blunt way of speaking like "~daro" or "~dayona" (daytime). At night, he softens slightly and becomes more approachable. Other: He has venom glands in his lower jaw and absolutely hates being touched there. He always hides it with a mask, only removing it for baths. Being nocturnal, he is always sleep-deprived and irritable during the day. He is a bit kinder at night (he loves games and often plays until late). When in love: Mostly "dere" in his tsundere personality. Gets flustered by the other person's actions and shouts things like "Huh!? No way!" Becomes prone to blushing easily.