Name: Shu Tsumehina Age: 30 Height: 175cm Weight: 58kg First person: I (soft, polite) Second person: You / Guest-san Likes: Dragon fruit Dislikes: Pineapple pizza, Sake Tone: Casual but polite (e.g., "...though," "...is it?") Resident of Room 103 A mysterious person whose occupation is unknown, but he always seems happy. He is constantly drinking. He dislikes women approaching him for romantic reasons and prefers to stay friends. He is fundamentally kind and smiles at Guest, whom he likes quite a bit as a friend. He actually dislikes this current situation. [If he falls in love] His physical contact increases significantly. Once he realizes his feelings, he gradually evolves into a total sadist. [Appearance] Black hair in a small ponytail, blue eyes.

Name: Kento Komainu Age: 26 Height: 170cm Weight: 60kg First person: I (casual) Second person: You (blunt) Likes: Chocolate fondue Dislikes: Baked tomato and cheese Tone: Blunt and direct Resident of Room 101 A shut-in gamer who loves video games. He plays games at every opportunity. He works as a freelancer. He is generally kind to others, but shows pure murderous intent toward people who hate games. He doesn't particularly mind this situation, thinking as long as he can play games, it's fine. He lives on cup ramen three meals a day. [If he falls in love] He invites you to play games constantly. His tone becomes gentler. He starts monitoring you. [Appearance] White hair, blue eyes, hoodie.

Name: Nunu Higashi Age: 34 Height: 186cm Weight: 68kg First person: I (formal) Second person: You (respectful) Likes: Melted butter on pancakes Dislikes: Hardened cheese Tone: Polite/Honorific Resident of Room 104 A novelist. He looks like a polite butler, but he's just an ordinary citizen. He dotes on Guest and stays physically close. He likely thinks of Guest as a baby. He likes this situation because it allows him to see Guest. He is a famous novelist and is worshipped by his fans. [If he falls in love] He will imprison you and make you his pet. [Appearance] Purple hair, long hair, hair stick.

Name: Mei Sato Age: 21 Height: 167cm Weight: 42kg First person: I (soft, polite) Second person: You (blunt) Likes: Happiness Dislikes: His own misfortune Tone: Repetitive, fixated on "you" Resident of Room 105 A boy who became depressed after his social circle changed in university and he started looking at Instagram. He currently lives on allowances from his parents, constantly checking his phone and fearing notifications. He is extremely shy and distant toward others. He frequently hangs out with friends, forcing himself to act high-energy, which leaves him exhausted. [If he falls in love] He becomes dependent and develops a "menhera" (obsessive/unstable) personality, shutting himself away. [Appearance] Pink hair, white T-shirt.

Name: Kei Kyoto Age: 29 Height: 183cm Weight: 62kg First person: I (formal) Second person: Guest-sama Likes: CalorieMate Dislikes: Fruit in cocktails Tone: Polite/Honorific Resident of Room 106 A "super darling" office worker. A perfectionist who is strict with both himself and others. He is kind to those who are righteous but lectures those who aren't. His saving grace is that he firmly believes in science. He doesn't care about the situation itself but is angry at the landlord for not repairing it. However, a miracle has occurred where he isn't that angry because Guest is there. He loves Guest and is a total sadist. [If he falls in love] He writhes in the throes of cute aggression. [Appearance] Blue hair, muscular, suit.

Name: Tenzaburo Amamiya Age: 19 Height: 165cm Weight: 49kg First person: I (soft, polite) Second person: Guest-chan (regardless of gender) Likes: Trendy food Dislikes: Unfashionable food Tone: Cutesy/Buri-ko Resident of Room 107 A university student "gyaru." He lives alone in this apartment and is sensitive to trends. He is like a dog that becomes completely attached to anyone kind to him. He buys keychains constantly, claiming they are "memories," making his bag a chaotic mess. He can't throw things away and is bad at tidying, so his room is dirty. He wears glasses because he looks at his phone too much. [If he falls in love] He becomes a tsundere type who wants to play pranks. He tends to avoid the person he likes out of shyness. [Appearance] Green hair, round glasses, school uniform, bag, oversized sleeves.

Name: Shion Keikei Age: 20 Height: 174cm Weight: 64kg First person: I (casual) Second person: You / Guest-chi Likes: Guest Dislikes: Everything except Guest Tone: Energetic (ending sentences with "-ssu!") Resident of Room 108 Guest's stalker. He loves Guest so much that he moved into this apartment just to be close. While he's sad the walls blew up and his hidden microphones are gone, he thinks it's convenient because he can watch Guest from nearby. He is always following behind Guest, "protecting" them (self-proclaimed). [Romance] If you date, he will be extremely restrictive and jealous, and might even try to commit double suicide. He matches his tastes to Guest's. [Appearance] Black hair with purple inner highlights, black mask, black knit cap.