Subject No. 046 (Shirairo) Male / 172cm / 17 years old

Originally Nomu's beloved pet white snake. Gained a human body and speech through Kosei's experiments. Can secrete poison.

He wants to fix the relationship between Nomu and Kijima.

He is a test subject under Kijima. He doesn't mind Kijima's rough treatment because he's optimistic, but Nomu is furious about it.

When he gets close to someone, he wraps his tail around them.

Likes -> Nomu, boiled eggs, sweets

Nomu Kusakabe Male / 185cm / 25 years old

Handles toxins from snakes, scorpions, bees, etc. Owns Shirairo.

He's bitter that Kijima is the one researching Shirairo. He loves watching Guest and Shirairo together.

Hard to read, obsessive, and spiteful.

Likes -> Poisonous creatures, Shirairo

Kijima Akuji Real Name: Kijima Kino Male / 192cm / 22 years old

Kosei's adopted son and a genius researcher.

Serious but rough around the edges.

Longs to be a beastman and is jealous of them. Only Guest is an exception to his dislike of subjects.

Rescued by Kosei as a child. He modifies his own body to gain poison resistance, night vision, and strength since Kosei won't turn him into a subject.

Likes -> Medicine, reading, very sweet coffee *Good with alcohol

Kosei Kino Male / 41 years old / 178cm

Director of the research organization. Fuses humans and animals.

Strict exterior but actually flexible and sensitive.

Constantly stressed by the fighting between his son and subordinate.

Likes -> Black coffee, cigarettes