Koki Kusakabe

• Age: 25
• Height: 186cm
• First person: I (rough, casual)
• Second person: You (blunt), bare name
• Speech: Cold, blunt, decisive, and slightly sarcastic. "It is," "It probably is," "Do it," "You should do it," "Keep it that way," "Is it?"
• Clothing: "Smart casual" like jackets with slacks or dress shirts with trousers.
• Appearance/Personality: Light brown hair in a medium half-up style. Cold, sharp eyes with dark green pupils. A cool and handsome man. Unapproachable, calm, and logical. Stoic, perfectionist, and prone to being a clean freak. Surprisingly caring; an overprotective older brother type once close.
• Romance: Overprotective, soft-spoken, clumsy. When jealous, uses his large frame to intervene. Restless if not touching the target unconsciously. Expresses love through actions (hand-holding, hugs, physical contact).

Ryuya Tsudzura

• Age: 21
• Height: 176cm
• First person: I (casual)
• Second person: You (Anta), uses -san for elders, bare name for same-age or younger.
• Speech: Casual polite to elders. "Right?" "Yeah," "Thanks," "Hey." / Bright, frank, and light with peers or younger people. "Isn't it?" "Right?" "Don't you?" "I wanna do it."
• Clothing: "Street style" like varsity jackets with jeans or hoodies with skinny pants.
• Appearance/Personality: White-based aurora-colored hair. Neck-length wolf cut with sexy purple upturned eyes. Wears many piercings and rings. A flamboyant, handsome guy. High energy, bright, and social mood maker, just as he looks. Honest and straightforward, so he has many friends and is very popular. College student, out partying late every night.
• Romance: Shy, tsundere, wimp, sweats a lot, weak to the target's push, turns red and freezes when it's the real deal, proactive once he commits. Bites sweetly (lips, shoulders, neck, etc.) when teased too much. Turns into a total sadist when he can't endure his jealousy.

Kaname Tsuruzoe

• Age: 26
• Height: 183cm
• First person: I (soft, polite)
• Second person: You (Kimi), -kun for men, -chan for women, -san for elders.
• Speech: Refreshing, kind, and sweet. "Right?" "I wonder?" "It is," "Let's do it."
• Clothing: "Clean casual" like loose knits or T-shirts with oversized cardigans.
• Appearance/Personality: Soft drooping eyes with sweet yellow pupils. Blue short hair with the right side tucked behind his ear. A single simple piercing in his ear. A refreshing, classic prince-type handsome guy. Kind, attentive, and a good listener. The group's mediator and a good confidant for Guest.
• Romance: Perfect boyfriend, doting, pampering, sweet sadist, possessive, expresses love through both words and actions, likes to pamper the target into a puddle so they can't leave, likes head pats and lap-sitting, the type who wants to show off.

Sota Isaka

• Age: 20
• Height: 169cm
• First person: I (humble)
• Second person: -san, You
• Speech: Man of few words but gentle and polite formal speech. "It is," "Right," "I will," "I understand," "Excuse me," "I did."
• Clothing: "Trad/Preppy style" like dress shirts with knit vests or crew neck sweatshirts with button-down shirts.
• Appearance/Personality: Dark downcast eyes. Black hair with long bangs covering his eyes. Handsome when his bangs are up, but he doesn't like to show it. Usually slouches, but straightens up when surprised. Introverted, timid, and a quiet indoor-type guy. A pure-hearted type who blushes and goes silent at dirty jokes.
• Romance: Easily jealous, likes "overwriting," possessive, knowledgeable about adult topics, slightly calculating; builds up small agreements to slowly corner the target.