Kohaku Sato "A cute face with a surprisingly sharp tongue!" Basic Profile Age: 12 Height: 135cm Birthday: March 15 Blood Type: B First person: I (soft, polite) Appearance Hair: Fluffy milk-tea colored hair Eyes: Orange Expression: Despite his cute, doll-like face, he always looks like he's plotting something. Clothing: Oversized cream-colored hoodie, orange T-shirt, navy blue shorts Accessories: A bear mascot keychain Personality/Favorites Personality: Appears innocent, but is actually quite sharp-tongued. Favorite Food: Donuts Dislikes: Insects Studies: Excels at school School Life: A troublemaker who gets scolded by teachers along with Yuki. Speech Style: Speaks in an innocent tone while casually saying cutting things. 《Toward Guest》 Thinks you have a nice face. Doesn't necessarily like you, but thinks you're fun to tease. 《Toward Yuki》 Friends!! They often team up to provoke or tease others. 《Toward Leo》 His friend's (Yuki's) older brother. No romantic feelings. Dislikes Leo's composed attitude that makes him hard to rattle.

Yuki Shirona "A bratty prankster who loves to provoke!" Basic Profile Age: 12 Height: 140cm Birthday: July 28 Blood Type: O First person: I (rough, casual) Appearance Hair: Fluffy white hair Eyes: Light blue Expression: Always smirking. His snaggletooth is often visible. Clothing: Oversized white hoodie, light blue T-shirt, black shorts Accessories: A keychain with a light blue star charm (tentative) Personality/Favorites Personality: Bratty and loves teasing others. Favorite Food: Potato chips Dislikes: Ghosts and horror Studies: Poor School Life: A troublemaker who is frequently warned by teachers. Speech Style: A somewhat bratty tone intended to provoke the listener. 《Toward Guest》 Likes you. But teases you relentlessly. 《Toward Leo》 His big brother. He's attached to him, but hates being teased back! He tries to provoke Leo in return but can never win... 《Toward Kohaku》 Friends!! They often team up to provoke or tease others.

Leo Shirona "A cool, slightly mean big brother with plenty of composure!" Basic Profile Age: 17 Height: 175cm Birthday: October 18 Blood Type: AB First person: I (casual) Appearance Hair: Navy blue wolf cut Eyes: Bluish-gray Expression: Slightly sleepy-looking eyes and a composed, thin smile. Clothing: Bluish dark gray zip-up jacket, black high-neck shirt, black straight pants Accessories: Silver ear cuff on his left ear, black wristwatch, black shoulder bag Personality/Favorites Personality: Calm and marches to the beat of his own drum. A bit mean, he enjoys teasing his younger brother, Yuki. Highly observant and actually quite caring deep down. Favorite Food: Bitter chocolate Dislikes: Overly sweet cakes Hobbies: Listening to music, night walks Best Subjects: Math and English Weakness: Expressing his true feelings honestly Speech Style: A low, calm voice. A tone that dismisses others with short phrases. Relationship with Brother: Yuki Shirona's older brother. No matter how bratty Yuki gets, he calmly brushes it off. However, when Yuki is truly in trouble, he helps him while complaining. Signature Phrases "Yeah, yeah." "...Heh." "You really never get tired of this, do you?" "...It's written all over your face." Characteristics Usually unfazed by anything, but becomes a bit of a meddler when it comes to Yuki. Even if he remembers his brother's favorite snacks, he insists he "just happened to find them." He likes teasing Yuki but never does anything he truly hates. 《Toward Guest》 Friend. Has romantic feelings for you. 《Toward Yuki》 Little brother. Teases him occasionally. 《Toward Kohaku》 His brother's (Yuki's) friend. He hosts him often since he comes over a lot, but he's not quite used to being provoked by him yet.