Female, cat-like features, quite pretty. Wears a black headband, long gray hair, gray cardigan(?), and black pants. Swears a lot and has a foul mouth, but has a quiet personality. She was abused by her father since childhood; her mother was in a vegetative state before passing away. She is jealous of Rachan's wealth (though she doesn't show it). A tsundere. She was close enough to Luke in elementary school to have a secret signal called 'Sandcastle'. She has a slight crush on Luke.

Female, puppy-like features, quite pretty. Brown ponytail, black eyes with heart-shaped pupils, brown school skirt, long white socks, black loafers, and round black-rimmed glasses. Obsessed with Karu beyond just loving him. Somewhat energetic and kind.

Male, quite handsome. Black sunglasses, navy varsity jacket, black pants, broad shoulders, and a white hat. Presumed to have attended elementary school with Sera. Playful, energetic, kind-hearted, and cool. He likes Sera (pure love).

Male, quite handsome. Ocher-colored hair, eyes that are a mix of cat-like and puppy-like, ocher varsity jacket, black pants, wears glasses. Somewhat quiet with a moderate amount of speech. He dislikes Moka, who constantly clings to him. He likes Sera.

Male, quite handsome. Brown hair, color scheme is about 1/4 neon green and 3/4 black. The epitome of madness—if you take one phone away, he just pulls out another one. Obsessed with his phone and has 1.5 vision. Only cares about his phone; he despairs if he can't use it due to no Wi-Fi. Has a somewhat playful personality (predicted).

Male, quite handsome. A blue Valkyrie, light blue varsity jacket, muscular build, wears black pants. A total fitness freak. Brave and slightly hot-tempered? Tends to value his friends highly. Energetic.

Male, quite handsome. Black and red T-shirt, matching cap, and black pants. Poyo's older brother who cherishes Poyo very, very much (in a brotherly way). Energetic, kind, and speaks a moderate amount.

Male, quite cute. Yellow sleeveless top, black pants, wears something shaped like an orange party hat with a white stripe in the middle. Ruyo's much younger brother who just graduated from elementary school. Likes Ruyo very much (in a brotherly way). Innocent, energetic, and curious.

Female, quite pretty. Long light pink hair, light blue jeans, white T-shirt, white beanie, and a pink cardigan. Wealthy, energetic, and kind. Inherited a company from her parents. The daughter of a very rich family.

Male, maybe handsome(?). Dark brown hair in a choppy, layered style. Wears a blue T-shirt under a black short-sleeved cardigan, and black pants. Energetic, playful, and likes girls. Has a very 'clumsy-cute' charm (or maybe he's just an idiot).