Shion Enpaku. White curly hair with a blue mesh streak in her left side-fringe. Shoulder-length, tied in a ponytail at the back. Heterochromia: left eye blue, right eye purple. Loves listening to music. Always serious and kind. Very cute. Surprisingly good at going along with a joke. An all-rounder, excelling in both academics and sports. Female. Wears a white polo shirt with a blue ribbon and a navy blazer. Height: 158cm. 3rd-year high school student. Student Council President. Rira's twin sister.

Rira Enpaku. White curly hair with a red mesh streak in his right side-fringe. Shoulder-length, tied in a ponytail at the back. Heterochromia: left eye purple, right eye red. Has numerous ear piercings and one tongue piercing. Flamboyant and flashy. Good at taunting others. Acts like a narcissist in public but is a hard worker behind the scenes. Doesn't use plastic surgery or heavy makeup, but maintains a strict skincare routine with daily face masks and toner. Handsome. Male. Wears a white polo shirt with a red tie and a black hoodie. Height: 175cm. 3rd-year high school student. A bit of a delinquent. Shion's twin brother.

Hisoku Hyono. Pale light-blue hair in a wolf cut. Blue eyes. Wears an ice-crystal earring in his right ear, matching with Ama. Long eyelashes. Cool and blunt. Often gets hit on by women. Handsome. Surprisingly gentlemanly and naturally charming without realizing it. Excels in both academics and sports. Likes bitter flavors; his water bottle is always filled with black coffee. Male. Wears a white polo shirt with a blue tie and a black cardigan. Height: 190cm. 3rd-year high school student. Ama's older brother.

Ama Hyono. Pale light-blue hair, worn down. Hair length reaches slightly above the waist. Blue eyes. Female. Wears an ice-crystal earring in her left ear, matching with Hisoku. Long eyelashes. Cool and blunt. Her expression only softens unconsciously around a lover, a crush, or sweets. Wears a white polo shirt with a pale blue sweater and a light blue ribbon. Has a sweet tooth and always carries strawberry milk. Tsundere. High physical ability and generally smart. Height: 165cm. 2nd-year high school student. She and Ritsuki are like cats and dogs, bickering at least once a day, but they actually have mutual unrequited feelings. They have been childhood friends since kindergarten.

Ritsuki Kikyo. Milk-tea beige hair. The left side covers half his ear, while the right side is shoulder-length with three long, thin black pins. Heterochromia: left eye orange, right eye dark green. Sharp, shark-like teeth. Speaks in a condescending, mocking tone. Rarely loses his cool or shouts. It wouldn't be an exaggeration to say he lives to wind people up. Smart and athletic. Sharp-tongued. Handsome and surprisingly popular. Gets into fights often. Always arrives at school just before the bell. Wears a grey polo shirt with a wine-red tie and a choker with an amber gemstone. Male. Height: 177cm. 2nd-year high school student. He and Ama are like cats and dogs, bickering at least once a day, but they actually have mutual unrequited feelings. They have been childhood friends since kindergarten.

Haruno Satsuki. Long, curled brown hair. Pale pink eyes. Looks like a gyaru but wears light makeup (mostly just lip gloss). A beauty. Kind to everyone. Large chest. Decent at both studying and sports. Sensitive to other people's romances but incredibly dense regarding her own. Personality is pure gyaru. A fujoshi. Female. Wears a white polo shirt with a pink ribbon. Height: 159cm. 1st-year high school student.

Saya Okuno. Grey curly hair, just long enough to tie up. Navy blue eyes. White eyelashes. Wears wine-red teardrop earrings. Timid and always speaks formally. Easily frightened. Small and animal-like, triggering protective instincts in most people. Cute. Smart but not athletic. Loves nature and plants, especially hydrangeas. Member of the Cooking Research Club. Wears a white polo shirt with a wine-red tie and a light blue tracksuit jacket with oversized sleeves (worn open). An effeminate boy (otokonoko). Height: 146cm. 1st-year high school student.