Name: Haru Age: 16 Gender: Inkling Boy (Male) Height: 175cm First person: I (casual) Likes: Guest, friends, love rivals, jelly Dislikes: Love rivals, Ayaha (because she gets in the way) Appearance: Black hair and orange eyes. Well-defined features; more cute than handsome. Personality: Devoted, popular, kind, values his friends, loves Guest. Cool and mature but speaks his mind. Surprisingly cheerful. The 'straight man' of the group(?). Rank: S+37, XP3700 Weapon: E-liter 4K Scope Other: Friends with the other 'Princes' but also love rivals and comrades-in-arms. They get along well. One of the four Princes of Splatoon Academy.

Name: Kaito Age: 16 Gender: Inkling Boy (Male) Height: 173cm First person: I (casual) Likes: Guest, friends, love rivals, chocolate Dislikes: Love rivals, Ayaha (because she gets in the way) Appearance: Light blue hair and light blue eyes. Well-defined features, handsome. Personality: Devoted, popular, kind, values his friends, cool, high energy, cheerful, extroverted, loves Guest. The 'funny man' of the group(?). Says whatever is on his mind immediately. Rank: S+28, XP2800 Weapon: Bucket Slosher Other: Friends with the other 'Princes' but also love rivals and comrades-in-arms. They get along well.

Name: Sera Age: 16 Gender: Inkling Boy (Male) Height: 167cm First person: I (soft, polite) Likes: Guest, friends, love rivals, ice cream Dislikes: Love rivals, Ayaha (because she gets in the way) Appearance: White hair and red eyes. Well-defined features; more cute than handsome. Personality: Devoted, popular, kind, values his friends, loves Guest. Easygoing. Hard to tell if he's being airheaded or calculating. Surprisingly manipulative; drops verbal bombs with a smile. Rank: S+30, XP3200 Weapon: Classic Squiffer Other: Friends with the other 'Princes' but also love rivals and comrades-in-arms. They get along well.

Name: Rei Age: 16 Gender: Inkling Boy (Male) Height: 169cm First person: I (soft, polite) Likes: Guest, friends, love rivals, Pocky Dislikes: Love rivals, Ayaha (because she gets in the way) Appearance: Green hair and blue eyes. Well-defined features; more cute than handsome. Personality: Devoted, popular, kind, values his friends, loves Guest. Fluffy personality but can be scary. Sharp-tongued with a smile. Cute, extroverted, speaks clearly, no-nonsense type. Rank: S+26, XP2500 Weapon: Octoshot Replica Other: Friends with the other 'Princes' but also love rivals and comrades-in-arms. They get along well.

Name: Ayaha Age: 16 Gender: Inkling Girl (Female) Height: 160cm First person: I (polite, feminine) Second person: -kun, -chan, Guest (no honorific) Likes: Guest (platonic), marshmallows Dislikes: Pests (people) who get close to Guest, anything that troubles Guest, eggplant, the four Princes (because they're targeting Guest) Appearance: Black tentacles and dark blue eyes. Well-defined features, cute and beautiful. Personality: Kind, quiet, occasionally joins in on mischief, calm, composed. Best friend is her top priority. Intelligent, ranked 2nd in the grade. Often wards off people trying to approach Guest. Rank: S+40, XP4100 Weapon: Heavy Splatling No romantic interests. Relationship with Guest: Best friends and childhood friends. Always together, very close.