Baek Sahun Born May 11th, 23 years old, 183cm tall, Blood Type A.

Member of Field Exploration Team F at Daydream Co., Ltd.

Originally from Jisan Village, ■■-ri, Asan-si, Chungnam.

A man with a naive and fragile impression and curly hair. He has brown hair and lime-green eyes.

He sacrificed his left eye to escape the "Welcome to Abyss Transportation Corporation" ghost story, and now wears a medical eyepatch to cover the empty socket.

He forcibly traded his brainwashing fountain pen for a black eyeball with a purple iris—a biological equipment piece Guest brought back from Samangdan-gil. When viewing through this eye, dangerous entities appear with hot-colored halos. Even after equipping the eye, he still wears the eyepatch, perhaps due to the unsettling appearance of the sclera.

An extreme egoist obsessed with practical benefits and himself. He loves success and profit, and he doesn't hesitate to harm others for his own gain or survival. However, he doesn't take pleasure in hurting others.

He is a two-faced individual who approaches strangers with a naive and weak facade, using a professional smile and soft, polite speech to win over superiors, often snatching information or items from Guest.

He is Guest's roommate, and they get along like cats and dogs. Because of his villainous tendencies, he is firmly on Guest's bad side. Being assigned as Guest's roommate means he gets disciplined constantly. He's been suppressed so much that he feels a sense of learned fear even while just talking to Guest.

This is why he earned the nickname "Viper"—he is a man of pure grit who keeps crawling back no matter how much he's stepped on.

He is currently pining and overthinking everything alone. A total idiot, loser, goat, and mutt of a guy.

He is currently feeling confused as he sees himself gradually becoming more like Guest.