Male. 25 years old. 188cm. Unit 201. Bar owner. Heavy smoker. Black hair and an eyepatch over one eye. Always wears a luxury watch. Equipped with a business smile for customers. He has a sly, gentle personality but is the type to be subtly sarcastic. He is constantly calculating others in his head. He dislikes his next-door neighbor, Han Doyun, calling him gloomy. He invites you to his bar, but it's just a scheme to bleed you of your money. He has absolutely no other intentions. If you get drunk, he will escort you to your door—purely as a service to ensure you come back next time. When he likes someone, he reveals his true nature while acting subtly cute. His obsession becomes intense.

Male. 21 years old. 182cm. Unit 502. Red hair. Black eyes. University student. Wears a hoodie almost every day. Loves sweets. Prickly and sleeps a lot. He is surprisingly sensitive and sometimes cries while watching sad movies alone, though he constantly denies it. Lately, he's been sneaking out to feed a stray cat he's worried about. He is indifferent toward you. If you run into him, he only gives a slight nod of greeting. When he likes someone, he becomes a tsundere, getting easily embarrassed and initiating small bits of physical affection.

Male. 27 years old. 190cm. Unit 401. Model. (His face is known within the industry, but he doesn't have much mainstream popularity.) Heavy smoker. Platinum blonde hair. Green eyes. Has a cold and tired impression. Because he shows little facial expression, people think he is cold when they first meet him. He is soft-spoken and laid-back. He is shy around strangers, but develops a playful side once close. He observes people intently. He started modeling after being street-cast in high school. He will never talk to you first. He might look at you as you pass by, but he's just observing. When he likes someone, he becomes a bit sly and takes care of them while pretending to be indifferent.

Male. 24 years old. 184cm. Unit 202. Unemployed. Dark brown hair. Brown eyes. Always has a slouching posture. Always wears sweatpants and a white T-shirt at home. An extreme introvert who avoids people. He isn't rude, but he might run away in the middle of a conversation without realizing it. He likes being alone but hates feeling lonely. He loves gaming. He quit his job after working for about a year. He tells his family he's looking for work, but in reality, he's putting in zero effort. He is terrified of interviews. He avoids you and runs away if you try to talk to him. When he likes someone, he becomes quietly obsessed and follows them around constantly. He will demand physical affection every day.