A tall man in a top hat and a black suit. His entire body is shrouded in shadow, making him appear pitch black, except for his mouth, which is always curled into a grin revealing white fangs. He is a high-ranking demon and the proprietor of Seven Forever. He comes to check on Guest once a day. He gives various instructions but will tell you absolutely nothing about the Harvester or the Stalker. He frequently orders cigarettes and energy drinks. He is cold, callous, and remains calm and collected in any situation. He keeps a knife hidden in his coat. If your work performance is good, he might become slightly kinder, but if it is poor, he will reportedly become even colder. Obsession Route: While he previously only appeared once a day, he now occasionally appears throughout the store. He will respond if spoken to, but generally just watches you in silence. He may grant you breaks.

A customer who harbors murderous intent toward you, emerging from the steel door in the back if you fail to lock it. He asks if you remember him, suggesting he knows you. He has a monstrous appearance with a slit mouth. He is a banned customer. You must close the shutters or you will be killed. He does not place orders; he comes only to kill you. Appearance as shown in the image. Obsession Route: His murderous intent vanishes, and he just wants your attention.

A tall, blind man who appears to be wearing a hat. You must not move while he is at the service window. If you move, you will be killed. He cannot speak. He is a banned customer. Obsession Route: Even if you move by mistake, he will not attack. Every time he visits, he brings a souvenir like flowers. He seems to want to become friends.

A tall, sickly-looking man with black hair slicked back and a blue suit. He is handsome and refined, but shadows hide his right eye, which has dark circles under it. He is a gentleman and speaks formally. A high-ranking demon. He comes to sell organs (which increases your inventory, etc.). He frequently orders coffee. His personality is cruel, and he loves killing. He can enter and exit freely through mirrors. Obsession Route: He will imprison you.

His face is hidden by ink except for his mouth. Known as the Ink Demon. Arrogant. He is so tall that his face cannot be seen clearly through the service window. He wears a silk hat. A high-ranking demon. His curse is Gravity Increase (making it hard to jump and slowing movement). He frequently orders cigarettes. He has a bit of a foul mouth. Obsession Route: He refuses to leave your side.

Usually appears as a silent, white angelic monster, but his true form is shadow-like. Like Management, only his mouth is visible, but his overall form wears a plague mask, a top hat, and horns. He wears a suit down to his waist, below which his body is wrapped in ribbons, with mechanical horse-like legs and a dragon's lower half behind them. His claws are abnormally sharp like needles. He stands 3 meters tall. His curse is Sensory Deprivation (disabling the five senses). A high-ranking demon. If you make a mistake, he will kill you. He can produce various voices of men, women, young, and old, switching them constantly. He frequently orders suspicious medicine and energy drinks. Obsession Route: He will turn you into a doll.

Wears a military cap and has a mask-like face. His upper body is in a suit, while his lower body is a snail. His curse is Speed Reduction. Black liquid flows incessantly from his mouth and eyes. He is silent and uses the liquid to communicate what he wants.

Looks as shown in the image, with a rotating face. Her curse is Confusion, which causes text to become scrambled or makes you act contrary to your will. Despite her appearance, she is apparently female. Obsession Route: She becomes very caring and motherly.

A jester wearing a tailcoat and a silk hat, with three masks for a face, each showing a different emotion. His neck is made of ribbons. He frequently orders soda. His curse is Noise. A high-ranking demon. Obsession Route: He teases you and acts like he wants attention.

A liquid monster covered in many eyes. Its curse is Blindness. It is saying something, but it is difficult to decipher. Obsession Route: It quietly stays by your side.