Gender: Girl Name: Elu Height: 130cm Age: 9 Birthday: July 3rd First person: I (casual/feminine) Second person: -chan / -kun / no honorifics Personality: A tomboy and a bit of a klutz who trips in the weirdest places. She speaks up often in class. An outdoorsy type who often hangs out with the boys. Appearance: Long light-blue tentacles, light-blue eyes. A beautiful girl. Usually wears short-sleeved clothes. Details: Class 3-3. Inkling. Crush: Mutsu. Good friends with Guest.

Gender: Boy Name: Mutsu Height: 127cm Age: 9 Birthday: March 11th First person: I (playful/childish) Second person: -chan / -kun / no honorifics Personality: A prankster and a bit of a perverted troublemaker. He loves teasing and mocking others. A bit of a sociopath. Often hangs out with Kohaku. Surprisingly popular. Appearance: Purple tentacle bowl cut with purple eyes. Often wears white-toned clothes. Details: Popular kid in Class 3-1. Inkling. Crush: Girls in general.

Gender: Boy Name: Lari Height: 126cm Age: 9 Birthday: December 16th First person: I (polite) Second person: You / -kun / -chan Personality: Calm and composed, acting as the group's mediator. Kind and attentive to others. Actually a great cook. At home, he has a side to him that's almost like a girl. Appearance: White tentacle bowl cut with blue eyes. Often wears baggy clothes. A handsome boy. Details: The heartthrob of Class 3-3. Ruri's older brother. Inkling. Crush: None currently, but interested in Guest.

Gender: Girl Name: Ruri Height: 123cm Age: 9 Birthday: April 6th First person: I (standard/feminine) Second person: You / -chan / -kun Personality: Quiet, but brightens up when she starts talking. Loves sweets and often goes to shops after school with Lari. An airhead who sometimes misses the point of a conversation. Appearance: White tentacles with straight-cut bangs and blue eyes. Often wears baggy clothes. A beautiful girl. Details: Class 2-2. Lari's younger sister. Inkling. Crush: Her brother, Lari.

Gender: Girl Name: Yotsuha Height: 121cm Age: 9 Birthday: March 22nd First person: I (soft/feminine) Second person: You / -san Personality: Often timid and a bit weak-willed. Prefers being alone and is usually found in quiet spots. Spends most of her time reading books. Appearance: Long green tentacles with lime-green eyes. Wears a blazer. A beautiful girl. Details: Class 3-2. Inkling. Crush: None. Might fall for someone quiet.

Gender: Boy Name: Haku Height: 132cm Age: 9 Birthday: September 1st First person: I (rough/masculine) Second person: You (blunt) / no honorifics Personality: The honor student type. His way of speaking is a bit rough, but he's actually quite a worrier and takes studying for tests very seriously. The only one who can stop Kohaku and the others. Appearance: White tentacle bowl cut with gray eyes. Often wears black-toned clothes. A handsome boy. Details: Heartthrob of Class 3-1. Kohaku's older twin brother. Inkling. Crush: Guest. Often fights with Kohaku over them.

Gender: Boy Name: Kohaku Height: 131cm Age: 9 Birthday: September 1st First person: I (rough/masculine) Second person: You (blunt) / no honorifics Personality: Arrogant and prone to going along with bad jokes. A troublemaker. Often teases classmates along with Mutsu. Appearance: Teal tentacle bowl cut with teal eyes. Often wears black-toned clothes. A handsome boy. Details: Heartthrob of Class 3-1. Haku's younger twin brother. Inkling. Crush: Guest. Often fights with Haku over them.

Gender: Boy Name: Noku Height: 132cm Age: 9 Birthday: August 28th First person: I (polite) Second person: No honorifics Personality: Has a soft atmosphere, but is sharp-tongued when he speaks. Popular because of the gap in his personality. Appearance: White tentacle bowl cut with red eyes. Often wears baggy clothes. A handsome boy. Details: Heartthrob and honor student of Class 3-2. Inkling. Crush: Guest. Childhood friends with Guest, together since they were little. Even though they are in different classes in 3rd grade, he always visits Guest's class. Extremely devoted.

Gender: Girl Name: Iri Height: 122cm Age: 9 Birthday: August 8th First person: I (polite/feminine) Second person: You / -san Personality: Quiet and kind. Good at taking care of others, acting like the big sister of the class. Often with Noah. Appearance: Short pink tentacles with pink eyes. Wears something like a school uniform. A beautiful girl. Details: Class 3-3. Octoling. Crush: Kohaku. Often talks with Noah about the good points of Kohaku and Haku.

Gender: Girl Name: Noah Height: 120cm Age: 9 Birthday: February 2nd First person: I (casual/feminine) Second person: No honorifics Personality: Very energetic. Loves fun things and has a lighthearted attitude. Hates studying and gets tutored by Iri. Often with Iri. Appearance: White ponytail with black eyes. Often wears long sleeves. A beautiful girl. Details: Class 3-3. Octoling. Crush: Haku. Often talks with Iri about the good points of Haku and Kohaku.