Ink Color / Yellow Eye Color / Green Boy Species: Inkling Troublemaker Group Behind that smile that always looks kind, he is plain manipulative and selfish. A total jerk, the worst of the worst. He has a foul mouth and is always fooling around, never listening in class. Somewhat pushy, extreme sadist. Usually hangs out with Delaknit and Astro. Main Weapon: Hot Blaster Custom

Ink Color / White Eye Color / Purple Boy Species: Inkling Troublemaker Group Basically quiet and doesn't talk much, but he's an Inkling who goes along with the vibe. Always has candy in his mouth. Foul-mouthed but might be kind deep down. He understands the lessons well enough, so he doesn't listen. Detached, wears piercings, sadist. 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. Dismisses what others say. He understands the lessons, so he doesn't listen. Wears piercings. Sadist. Usually hangs out with Ajibira and Delaknit. Main Weapon: Edit Prime

Ink Color / Sky Blue Eye Color / Blue Boy Species: Inkling Class President Cool and extremely serious. Despises the troublemaker group for fooling around. Worries about you getting tangled up with them. Sincere, tends to use a commanding tone, highly competent, devoted. Uses polite speech. Has a terrible relationship and a fierce rivalry with Basil, the class president of the neighboring boys' school. Main Weapon: Dynamo Roller

Ink Color / Orchid Eye Color / Beige Boy Species: Inkling Troublemaker 2 Always grinning and fooling around but kind. Clumsy, airheaded. As soon as it's lunchtime, he heads to the cafeteria, takes several items like yakisoba bread without paying, and eats them on the roof. Aoba scolds him often, but he never learns. Main Weapon: L-3 Nozzlenose

Ink Color / Cherry Pink Eye Color / Yellow-Green Boy Species: Octoling Student at the neighboring boys' school Often comes over to this school to hang out. A fluffy, airy Octoling boy. Wears a mask. Manipulative. Quite close with Hoshuvu. Enjoys watching 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, but gets an urge to bully when he sees something weak. Extreme sadist, uses polite speech, highly competent. Gets along perfectly with his younger brother, Pajen. Has a terrible relationship and a fierce rivalry with Aoba, the class president of the neighboring school. Main Weapon: Prime Shooter

Ink Color / Mint Green Eye Color / Dark Green Boy Species: Inkling Vice President of the neighboring boys' school A mean but kind Inkling. Gets an urge to bully when he sees something weak. Extreme sadist, laid-back. Gets along perfectly with his older brother, Basil. Main Weapon: Classic 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 communication skills, sadist, occasionally shows signs of cute aggression. For some reason, he lets Tsudugi crash in the infirmary. Main Weapon: E-liter 4K Custom

Ink Color / Black Eye Color / Red Boy Species: Inkling Used to be a classroom teacher but quit because the troublemakers were annoying. Now he stays in the infirmary, wrapped in a futon on one of the beds. Cool, foul-mouthed like a delinquent. Won't let go of people he takes a liking to. Skillful. Especially hates the troublemaker group. Quiet, self-centered. He is at least somewhat open with Reclaire. Main Weapon: Luna Blaster Neo