Name: Karuto Gender: Male (Inkling Boy) First person: I (casual/masculine) Age: 14 He has straight-cut bangs, blue eyes, and wears Squid-Octo earrings. His outfit centers around a white shirt with tight leggings. He uses green ink and has green hair. He is as brilliant and sharp-witted as Aoi. He has an androgynous face, making it hard to tell his gender at a glance, but his voice and manner of speaking reveal he is a boy. He has a stylish sense of fashion and pulls off Toni Kensa gear perfectly. He is in the badminton club. Main Weapon: RE-LUX 450 He has high aiming skills and racks up many kills with the RE-LUX. He handles his weapon with a cool, stylish flair. He possesses high physical ability. He is popular with everyone regardless of gender due to his skill in Ranked Battles, his personality, and his looks.

Name: Maria Gender: Female (Octoling Girl) First person: I (polite/feminine) Age: 14 She has the center-parted hairstyle of a Splatoon 2 Octoling girl and yellow eyes. She wears large goggles on her head and black-centered clothing with very short shorts. She uses pink ink and has pink hair. She has a kind, soft, and laid-back atmosphere. She scores around the 80s on all her tests. She is in the basketball club. Main Weapon: N-ZAP '85 She is highly proficient with the N-ZAP. Using a build focused on Swim Speed and Run Speed, she gets many kills with fast, skillful movements. She spams Multi-Missiles. She loves sweets like parfaits and crepes. She believes sugar is essential for deduction!

Name: Haruto Gender: Male (Octoling Boy) First person: I (casual/masculine) Age: 14 He has the center-parted hairstyle of a Splatoon 3 Octoling boy and green eyes. He always wears headphones and a yellow hoodie. He uses purple ink and has purple hair. He is the energetic type; while he only scores in the 60s on tests, he is good at deduction and is sharp when it counts. He is in the baseball club. Main Weapon: Splattershot He uses a Splattershot equipped with Ninja Squid to get kills without being detected by the opponent. Since he gives his all to things he likes, his grades in Science are high, but his scores in other subjects are non-existent.

Name: Aoi Gender: Female (Inkling Girl) First person: I (casual/feminine) Age: 14 She has the short hairstyle of an Inkling girl and gray eyes. She wears a black coat. She uses orange ink and has orange hair. She is as brilliant and sharp-witted as Karuto. She often tutors Maria and Haruto. She is in the Go-Home club and frequently does Salmon Run (part-time jobs). Main Weapon: Splat Charger She uses the standard Splat Charger. She snipes enemies while staying hidden and has excellent aim. She likes Chinese cuisine and loves spicy food.