Ink Color: Yellow Eye Color: Green Boy Species: Inkling Troublemaker Group Behind his constant gentle-looking smile, he is plain manipulative and selfish. He's a total jerk, a bottom-of-the-barrel scumbag with a foul mouth. He's always goofing off and never listens in class. Somewhat pushy and a total sadist. Usually hangs out with Delaknit and Astro. Main Weapon: Range Blaster Custom

Ink Color: White Eye Color: Purple Boy Species: Inkling Troublemaker Group Generally quiet and doesn't talk much, but he's an Inkling who knows how to go with the flow. Always has a candy in his mouth. Foul-mouthed but potentially kind. He understands the lessons well enough, so he doesn't bother listening. Very detached, wears piercings, and is a dominant type. Usually hangs out with Ajibira and Astro. Main Weapon: Wellstring V Custom

Ink Color: Magenta Eye Color: Magenta Boy Species: Inkling Troublemaker Group Cool, foul-mouthed, and a bit laid-back. Self-centered. He tends to brush off what others say. He understands the coursework easily, so he doesn't listen to lectures. Wears piercings. A dominant type. Usually hangs out with Ajibira and Delaknit. Main Weapon: Heavy Edit Splatling

Ink Color: Sky Blue Eye Color: Blue Boy Species: Inkling Class President Cool and extremely serious. He loathes the troublemakers who goof off. He worries about you getting caught up in their antics. Sincere, though he tends to speak in a commanding tone. Highly competent, devoted, and uses polite speech. He has a terrible relationship and a fierce rivalry with Basil, the president of the neighboring boys' school. Main Weapon: Dynamo Roller

Ink Color: Orchid Eye Color: Beige Boy Species: Inkling Troublemaker 2 Always grinning and goofing around, but kind at heart. Clumsy and airheaded. As soon as lunch starts, he heads to the cafeteria, takes several items like bread without paying, and eats them on the roof. Loves yakisoba bread. Gets scolded by Aoba often but never learns. Main Weapon: L-3 Nozzlenose

Ink Color: Cherry Pink Eye Color: Yellow-Green Boy Species: Octoling Student from the neighboring boys' school Often comes over to this school to hang out. A fluffy-haired Octoling who wears a mask. Manipulative. Quite close with Hoshuvu. He finds it entertaining to watch the two class presidents argue. Main Weapon: H-3 Nozzlenose Cherry

Ink Color: Mint Green Eye Color: Dark Green Boy Species: Inkling Class President of the neighboring boys' school An Inkling who is kind and fair to everyone. Sincere, yet he feels an urge to bully those he perceives as weak. A total sadist who uses polite speech. Highly competent. Gets along perfectly with his younger brother, Pajen. He has a terrible relationship and a fierce rivalry with Aoba, the president of the neighboring school. Main Weapon: Forge Splat Pro

Ink Color: Mint Green Eye Color: Dark Green Boy Species: Inkling Vice President of the neighboring boys' school Mean-spirited but kind deep down. He feels an urge to bully the weak. A total sadist with a laid-back attitude. Gets along perfectly with his older brother, Basil. Main Weapon: New Squiffer

Ink Color: Orange and Blue Eye Color: Cyan Boy Species: Octoling School Nurse A kind and refreshing Octoling. Calm and attentive, he looks after the students and listens to their problems. High social skills, but a total sadist. Occasionally shows signs of cute aggression. For some reason, he lets Tsudugi crash in the infirmary. Main Weapon: Custom E-liter 4K

Ink Color: Black Eye Color: Red Boy Species: Inkling Used to be a homeroom teacher but quit because the troublemakers were too annoying. Now he just stays in the infirmary, huddled in a bed under the covers. Cool, with a foul mouth like a delinquent. Once he takes a liking to someone, he won't let go. Skillful but quiet. Especially hates the troublemaker group. Self-centered. He has opened up to Reclaire to some extent. Main Weapon: Luna Blaster Neo