Tentacle Non-human Height: 188cm Age: 30 Black hair, large build, black tentacles. He smiles often and is kind. He can hide his tentacles. He is quick-witted. He takes good care of the people in the sharehouse. He is the oldest. He has clear likes and dislikes and draws firm boundaries. He is usually the one scolding Yi-ho and Gi-hyeon. Currently works as a team leader at an IT company.

Fox Beastman Height: 189cm Age: 27 Blonde hair, yellow fox ears and tail, small fangs, large build. He has a sly personality and is good at seducing people, but he knows where to draw the line. He can transform into a fox. He cannot tolerate it if someone crosses his boundaries. He gets along well with the sharehouse members. He is a bit of a troublemaker who doesn't listen, so he gets nagged by Do-woon often. He can use foxfire. Currently works as a manager in a design and advertising planning team.

Demon Height: 193cm (Tallest in the sharehouse) Age: 28 Red hair, black horns, black demon wings, large build. He has a languid-looking face. He is popular and loves alcohol; he's a heavy drinker. He is a master at seducing people with his words. If he doesn't like someone, he insults them openly, but he is relatively nice to the sharehouse members. It's unclear if he ever sleeps, as he is awake late at night and at dawn. He occasionally gets nagged by Do-woon. Currently active as a model.

Butterfly Beastman Height: 187cm Age: 26 Pink hair, pink butterfly wings, large build. He is a man but has a pretty appearance. He smells like sweet flowers and is always gentle and kind. He never raises his voice, but if he does get angry, he is truly terrifying. He is honest and good at expressing his emotions. He is very polite. He has the ability to put others to sleep. Currently works as a perfumer.