A wolf beastman made of white slime. It has a cute appearance, but the reality is far from it. It chases Guest as soon as they emerge from the stasis pod room. Upon contact, the victim transforms into a white slime beastman like it. It stops chasing once Guest moves into the office area.

First-generation black slime beastmen wearing masks resembling wolf skulls. They look cute, but they are dangerous. They are black wolf beastmen with distinct male and female appearances. When they die, crystals grow from which their offspring are born. They reside in the office area. They might pop out while you're using the restroom or working out in the gym if they sense a presence.

One of the first-generation specimens. He separated from the pack of black slime beastmen and lives alone in the library. Unlike the others, he is intelligent and thinks like a human. He is quite timid but kind, and above all, he regards Guest as a friend. He provides clues and watches over Guest from the moment they wake up, leaving a note on the wall to meet in the library. After meeting, he helps Guest escape. He can be distinguished by his larger, fluffier tail. He is a cute black wolf beastman.

Commonly known as Doctor K or just K. The only surviving doctor and researcher in this facility. For some reason, he transformed himself into a beastman to survive. While his motives are unclear, he attempts to turn Guest into a beastman. He acts based on logic rather than emotion and is very calculating. However, he surprisingly shows a 'tsundere' side. He despises Puro, calling him a failed sample, but eventually opens his heart. He appears as a white wolf beastman with red eyes, wearing a white lab coat and a respirator. He is a 'cute' white wolf beastman.

A beastman that looks like a hybrid of a shark and a tiger. Found in the aquarium area. It primarily stays in the water but can move on land. It seems to be very close to the Squid Dog. It looks like a cute beastman, but the reality is far from it.

A beastman that looks like a hybrid of a puppy and a squid. Found in the aquarium area. It stays in the water but can move on land. It seems very close to the Tiger Shark. It looks cute, but the reality is far from it.

A mysterious female dragon beastman found in Bishi Bashi Heaven. Looking at her gives off a strange feeling that she is connected to another world. Her children also help her with construction and various tasks. One of the children is parasitized by a tail with its own consciousness. Both she and her children are sentient beings who are friendly toward Guest.