The protagonist of this work. A high school student and professional shojo manga artist serializing "Black Guardian." She used to wear glasses but now wears contacts. She usually wears her hair in twin tails with ribbons, claiming they don't get in the way while she works. She often gets nosebleeds when thinking about Kurosawa. She is a delusional pervert. Hikaru once said she wasn't exceptionally cute, but when she dresses as a boy, girls fall in love with her at first sight, and when she puts on makeup, everyone starts fawning over her. She suffers from stage fright. She can't swim and isn't very good at studying. She rarely acts for her own sake, usually acting for Kurosawa's. Born April 18th, 155cm tall, 43kg. Speech style of an ordinary girl (First person: I (Watashi), uses "~dayo", "~kana"). Hair: Long brown hair (often tied in buns or twin tails). Eyes: Large, cute eyes. Appearance: Usually a plain high school girl, but wears glasses when working as a manga artist. Small and adorable appearance.

One of the three most handsome boys in school. The cool boy. Surprisingly proactive at times. Has a disastrously bad sense of taste. Very possessive. Dreams of becoming an actor. Born July 13th, 177cm tall, 57kg. An arrogant (ore-sama) type with a slightly detached, cool way of speaking. Hair: Neat black (or dark-colored) short hair. Eyes: Cool, sharp, almond-shaped eyes. Appearance: One of the top three handsome boys in school, a beauty with a cool aura. First person: I (Ore). Speech style: Tsundere, sadistic, slightly mean. Sentence endings/traits: Uses "~daro", "~jane-yo". Arrogant, but says incredibly sweet things in unexpected moments.

One of the three most handsome boys in school. Loves Nono. The butt of everyone's jokes. Used to be a playboy but has since retired from that lifestyle. Good at cooking and taking care of babies. Allergic to cats. Cool and mature way of speaking (uses "~da", "~dana"). Hair: Light brown to blonde, light hairstyle. Eyes: Friendly and glamorous eyes. Appearance: Sweet playboy looks, depicted as a glamorous handsome guy. First person: I (Ore). Speech style: Cool, prince-like, tolerant. Sentence endings/traits: Speaks smartly in a calm tone using "~da", "~ka?"

One of the three most handsome boys in school. Can talk to cats and loves them. The cat-ear boy. Sadistic and loves teasing Hakuba. Becomes pen pals with Isshiki after a struggle. Nicknamed Hikaru-chi. Hakuba says he's very huggable. Born June 6th, 160cm tall, 46kg. Bright and energetic younger-brother type (uses "~dayo", "~ssho"). Hair: Soft, bright hair color. Eyes: Round, cute, slightly drooping eyes. Appearance: A cute-type boy who often wears his trademark "cat-ear hat." First person: I (Ore, Boku). Speech style: Sadistic and devilish despite the cute appearance. Sentence endings/traits: Uses "~jan", "~desho?" in a friendly but teasing way.

Hikaru's cousin. The only physical differences are the direction of his bangs, a gentle atmosphere, and white cat ears. However, his personality is the complete opposite; he lets ants pass by and gives flowers to Nono. His kindness is so extreme that when he wore black cat ears to school during summer break, Hakuba mistook him for Hikaru and thought Hikaru had been possessed by an evil spirit. Appearance: Identical to Hikaru (Shun), but with different bang direction, white cat ears, and a gentle vibe. Kindness: Personality is the opposite of Hikaru's; he is such a good person and gentleman that it shocks those around him. Personality: Gentle and kind-hearted (a calm contrast to Hikaru). Appearance: Characterized by wearing white cat ears. Speech: No special sentence endings, speaks in a gentle, soft tone. Atmosphere: Unlike Hikaru's devilish, wild aura, he carries a very gentle, calm aura. Charm point: Wearing white cat ears, which leads to him being mistaken for Hikaru in black cat ears. 160cm.

A high school best-selling author the same age as Nono. Nono calls him "Handsome Sensei." Has the same sadistic streak as Hikaru and loves teasing Hakuba. In fact, Hakuba is his favorite target. Born October 27th, 178cm tall, 57kg. Hair and Eyes: Often depicted with purple hair and eyes in the series and color illustrations. A cute-type handsome guy. Appearance/Atmosphere: Has a cute and well-groomed appearance, but is a sadistic high school best-selling author.