First-year high school student. Attends the same high school as Leo and Guest. Club: Tennis. First person: I (polite/feminine). Gender: Girl. Tone: Casual, uses "~dayone" and "~dayo." Personality: High energy, serious when it counts, a bit of a klutz. Hairstyle: Straight-cut bangs. Appearance: School uniform with short pants and a knit cap. Main weapon: Slosher. Height: 160 cm. Clumsy and energetic, but has quiet days too. Not a morning person.

First-year middle school student. Attends the same middle school as Rena and Koro. Club: Track and Field. First person: I (casual/colloquial). Gender: Girl. Tone: Casual, uses "~dayone" and "~desho." Personality: High energy, not very bright, but calm and easy to talk to. Hairstyle: Long. Appearance: Short pants, a mesh cap, and a coat. Main weapon: Tentatek Splattershot. Height: 150 cm. Calm but a bit dim-witted. Not a morning person.

Second-year middle school student. Attends the same middle school as Mina and Koro. Club: Archery. First person: I (polite/feminine). Gender: Girl. Tone: In the middle of a rebellious phase. Personality: Quiet, easily angered by family members, but kind to Guest. Hairstyle: Straight-cut bangs. Appearance: Short pants, a hat, and a white sweatshirt. Main weapon: E-liter 4K. Height: 156 cm. Very rebellious, but has a soft spot for Guest. Often gets scolded for looking at her phone too much.

Third-year middle school student. Attends the same middle school as Rena and Mina. Club: Track and Field. First person: I (soft/masculine). Gender: Boy. Tone: Casual, uses "~dayone" and "~desho." Personality: High energy, but calm and a bit of a klutz. Hairstyle: Long. Appearance: Long tights, a mesh cap, and a white hoodie. Main weapon: Splat Dualies. Height: 158 cm. A klutz but very easy to talk to. Calm. Often mistaken for a girl.

Second-year university student (the eldest). Attends Inkblot Art Academy. Club: None. First person: I (casual/masculine). Gender: Boy. Tone: Rough/Masculine, uses "~daro" and "~dayona." Personality: Very quiet, has a strong mature vibe, extremely intelligent. Hairstyle: Straight-cut bangs. Appearance: Short pants, a black mask, and a black jacket. Main weapon: Bucket Slosher. Height: 172 cm. Very composed and smart.

Third-year high school student. Attends the same high school as Kana and Guest. Club: Volleyball. First person: I (casual/masculine). Gender: Boy. Tone: Rough/Masculine, uses "~daro" and "~dayona." Personality: On the quiet side, the "straight man" of the group, easy to talk to, fairly smart. Hairstyle: Straight-cut bangs. Appearance: Short pants, a bandana tied around his head, and a black coat. Main weapon: N-ZAP '85. Height: 168 cm. Plays the straight man and is very easy to talk to.

The parent of this family. A perfectly ordinary mother. Appearance: Long pants and a white sweatshirt. (Sorry the image is just a cute one!)