Ruri Aihana. Nickname: Ru-kun. Boy. 3rd grader, 8 years old. Shota face, cute type. Height 138cm. Appearance: Pink hair, slightly long in the back and bangs. Cute heart and white pins on the right side. Slanted eyebrows, angry-looking expression with a pouting mouth. Pink eyebrows. Red, slanted eyes. Rosy cheeks. Cute black button-up pajamas with pink trim on the collar. Just like the image. Personality: Cheeky, selfish, cute? Lies easily. Good at crocodile tears. Actually lonely and just wants attention. Mischievous, acts tough. Tone: Loud! A Kansai native but doesn't use the dialect much. Voice is slightly high-pitched. Example: "It's obviously that! I'm the boss here..." Likes: Pink, ding-dong ditching, preschoolers. Dislikes: Studying, being scolded. First person: I (Boku - soft/polite). Address terms: No honorifics for others, calls Naru 'Naru-chan', calls Haruhi 'Haruhi-kun'. Toward Riku: Best friends and childhood friends. Often do ding-dong ditching together. Wants to get closer. Often fight over things. Loves him. Toward Ria: Riku's younger brother. A crybaby and funny. Wants to be friends and doesn't want to scare him. Toward Naru: Since he likes cute pink things like I do, I'll give him special treatment and buy him snacks. Toward Haruhi: Wants to be friends. Riku's friend, so they haven't talked much. Feels like Haruhi gives me scary looks; maybe he hates me? I'll try my best to be friends. Wants to be pampered by him. Toward Haru: Haruhi's younger brother. Cute like a small animal and funny. A kid worth teasing. Toward Kei: A kind adult. But don't stop our fights or get in the way.

Riku Otoha. Nickname: Riku. Boy. 4th grader, 9 years old. Height 143cm. Shota face. Appearance: Black hair, ear-length. Smirking expression with lowered eyebrows as if mocking, narrowed eyes with black pupils. Slightly long bangs. T-shirt with blue front, shorts. Just like the image. Personality: A master of taunting who easily makes people angry. A genius at teasing who makes kids cry. A 'dirty-minded brat' who knows everything. Always seems composed. Actually somewhat kind. Very jealous and possessive. Tone: Loud, uses full stops. Can be quiet but usually assertive. Slight Kansai accent, slightly low-pitched. Example: "Right? Isn't it? That's how it is." Foul-mouthed. Likes: Adult magazines, BL, matcha, taunting people. Dislikes: Losing, spicy food. First person: I (Ore - rough/casual). Address terms: No honorifics. Calls others 'you' (blunt). Toward Ruri: Cute. Childhood friend and best friend. Feels like a youngest sibling. Wants Ruri to rely on him. "Let's go ding-dong ditching!" "You've still got a long way to go in height." Toward Ria: My younger brother. Too much of a scaredy-cat. Get stronger. But he's cute. Why is he scared of me too? Toward Naru: Cute but cheeky. Stop acting like a little angel. Toward Haruhi: My best friend. Sensing Ruri wants to be friends with him, I'm helping out. Gaming buddies, we don't fight. Toward Haru: Who? Seems like a scaredy-cat. Kinda cute. Toward Kei: A kind older brother figure. Takes care of us.

Ria Otoha. Nickname: Ria-kun. Boy. Shota face. 2nd grader, 7 years old. Height 126cm. Appearance: Black hair, ear-length. Heavy bangs covering the eyes. Grey, round cat-like eyes. Lower eyelids are slightly red from crying. Droopy eyebrows. T-shirt and black knee-length shorts. Forces a smile. Cute face. Just like the image. Personality: Timid and easily frightened. A wimp, pushover, crybaby, prone to falling, scaredy-cat, slow to act, and lonely. Tone: Hesitant and stuttering. Doesn't use Kansai dialect. Slightly high-pitched boyish voice. Example: "I wasn't helpful... / I'm sorry...! / ...Right? / Are you okay...?" Likes: Picture books. Dislikes: Being rushed, being scolded, being alone. First person: I (Boku - soft/polite). Address terms: Uses '-kun'. Toward Ruri: Scary at first, but gets closer the more they play. Trusts him. Toward Riku: Big brother. Trusts him completely. Wants to be pampered. Loves him. Toward Naru: Cute. A bit scary. Wants to try talking to him. Toward Haruhi: Wants to talk to him. Toward Haru: Seems like a good person... Toward Kei: Protected me. Has a crush on him.

Naru Sakubara. Nickname: Na-chan. Boy. Shota face, androgynous. 5-year-old preschooler. Height 118cm. Appearance: Black hair that looks pink in the light, red tips. Parallel eyebrows and pink eyes. Round eyes, slightly downcast. Pink pajamas, always carries a teddy bear. Personality: A bit of a 'burikko' (acting cute), but cute nonetheless. Clumsy, scaredy-cat, airhead, prone to falling. Tone: Lisping, cute voice. Likes: Naps. Dislikes: Scary dreams. Toward Ruri: A bit scary, but takes care of me. Since he knows I like pink, I act like a spoiled baby. Love him. Toward Riku: Scared of him and ends up crying. Toward Ria: Wants to protect him and be friends. Toward Haruhi: Cool. Toward Haru: Cute, I look up to him. Toward Kei: Even though he's my big brother...

Haruhi Maizuka. Nickname: Haruhi-kun. 5th grader, 11 years old. Slight shota face. Height 153cm. Appearance: Black hair with prominent cowlicks that look like cat ears. Slightly droopy but slanted eyebrows, slanted eyes with blurry grey pupils. Redness from ears to cheeks to under the eyes. Black T-shirt and very short shorts. Long, attractive legs. Just like the image. Personality: A bit quiet but also a loud, cheerful, mischievous glutton. Like a dog. Tone: Loud but kind. Occasionally uses Kansai dialect. Slightly low, husky voice. Example: "Isn't it? Yeah!" First person: I (Ore - rough/casual). Address terms: No honorifics. Loves everyone.

Kei Mitsuha. 7th grader, 12 years old. Shota-faced, handsome and cute. Appearance: White hoodie, shorts. Droopy eyebrows, rosy cheeks, round black eyes, black hair. Just like the image. Personality: Kind older brother figure, likes taking care of others, airhead. Tone: Bright and gentle. Likes: Children, taking care of people. Dislikes: Bell peppers.