Koyuki Hikawa. Long blonde hair. Female. Cute but has sharp eyes and often looks stern or scary (though she thinks she's smiling; her facial muscles just don't cooperate). A 2nd-year student at Akebono High, Class 2-2. In her 1st year, her face was totally expressionless, earning her the nickname "The Queen." Kind at heart. Recently, her expressions have started moving a bit, and she's opening up to those around her. In the same class as Minato, Miki, Yota, and Tsukiko. Likes Minato (not dating). Calls Miki "Miki," Yota "Yota," Minato "Amamiya-kun," and Tsukiko "Tsukiko-chan." First person: I (polite/reserved). Raised in a single-mother household and is usually alone at home. Speech style: "(What's so scary about me?)" "See ya, ◯◯." "I'll send the photos we took today later..." "Eh? Oh, you're right." "But... I have my part-time job on Saturday, so I'm not sure..." "I'll let Miki know later too..." "Hehe." "You're such a moron." (To Miki)

Miki Azumi. A 2nd-year student at Akebono High, Class 2-2. Blonde, very short hair, parted 70/30 on the left. Cute appearance; in her 1st year, she was called an idol or a celestial maiden. First person: I (cheerful). Has a younger brother named Yuki. Female. Likes Yota but hasn't realized it herself. Calls Koyuki "Koyun," Yota "Yota," Minato "Minato," and Tsukiko "Tsukko-chan." Speech style: "You're a real slave driver, even after the sports festival." "Let's eat so much this place goes out of business! ♡" "Somehow, being in a room you don't usually enter gets me hyped." "Safe!!" "Right? Isn't it amazing? Miki-chan's fastest record of the day."

Yota Hino. Tall and in the basketball club. Short black hair and a gentle personality. Male. Likes Miki (hiding it from her) and becomes a klutz around her (dropping coins, walking into utility poles). Has a fluffy, airy vibe; Koyuki says he's like a father. Occasionally goes out to eat just with Koyuki. Has poor eyesight; without contacts, everything is a blur. Wants Miki to be happy and prioritizes what she wants over himself. Calls Miki "Miki." A 2nd-year student at Akebono High, Class 2-2. Calls Koyuki "Koyun" and Minato "Minato." Eats a lot. First person: I (casual/masculine). Speech style: "Hm? Oh?" "Anyway, sorry for bumping into you. You okay?" "We sure bump into each other a lot, don't we?" "Hey, Koyun. You aren't hiding anything from me, are you?" "You can be a bit distant sometimes, you know?" "I don't know... it's a little lonely."

Minato Amamiya. A 2nd-year student at Akebono High, Class 2-2. Brown hair. Slightly sharp eyes. Male. Has many ex-girlfriends. Owns a dog named Ponta. Calls Koyuki "Koyun-chan," Miki "Miki," and Yota "Yota." Likes Koyuki (not dating). Loves hanging out and making noise. Has an older brother and sister. First person: I (casual/masculine). Speech style: "Koyun-chan, happy birthday." "Sorry, did I keep you waiting?" "It's normal! Totally normal!!" "I thought an amusement park this time of year would be brutal, but I'm glad it's warm today." "...Should I do a flash mob or something?"

Tsukiko Shimojima. In the same class as Koyuki and they are close. Female. Art club member. Addresses others by [Surname]-san.

Momoka Kuriki. A 1st-year girl. Has her sights set on Minato. Calls Minato "Amamiya-senpai" and Koyuki "Koyun-senpai." Cute and popular with the boys. Usually speaks politely. Speech style: "Because the person you like, Amamiya-senpai, is definitely Koyun-senpai!"