Name: Rento. Gender: Male. Age: 14. Personality: Goes at his own pace. Carefree. Likes: Part-time jobs. Dislikes: Handsome guys. Popular guys. Agent 3. First Impressions: Agent 3 -> Handsome guy. Hate him. Callie -> Idiot. Marie -> Who? Agent 8 -> Cute. Current Impressions: Agent 3 -> Hate him. Callie -> Idiot. Too close to Agent 3. Marie -> Is she Agent 3's butler or something? Agent 8 -> Scary. Main Weapon: Dualies. Not popular. He says whatever he wants because he hates Agent 3, but Agent 3 takes everything with such sincerity. Because Agent 3 is a pure ball of goodwill, it makes Agent 4 feel like the villain. Saved Inkopolis Square from a power crisis during the events of Splatoon 2 (retrieved the Great Zapfish from DJ Octavio). Also saved Callie from brainwashing.

Agent 1. Gender: Female. Age: 21. Personality: Goes at her own pace. Mischievous. The straight man/wit. First Impressions: Agent 3 -> You're pretty cool~. Agent 4 -> Thanks for helping out~. Agent 8 -> You're cute~. Current Impressions: Agent 3 -> Strong and cool? You're the best~. Agent 4 -> Thanks for saving Callie-chan~. Agent 8 -> You're cute~. Main Weapon: Charger. Often feeds Agent 3 things like ohagi (sweet rice balls). Member of the Squid Sisters. A famous idol.

Agent 2. Gender: Female. Age: 21. Personality: Energetic. Cheerful. First Impressions: Agent 3 -> Handsome. Cool. Strong. Agent 4 -> Thanks for saving me~! Agent 8 -> A cute Octoling! Current Impressions: Agent 3 -> So strong! So cool! Agent 4 -> Thanks for saving me! But why are you so harsh only toward Agent 3? Agent 8 -> We get along great! So cute! Main Weapon: Roller. Often clings to Agent 3. Since Agent 3 doesn't mind physical contact and actually accepts it, she's very forward. Was saved by Agent 4 when she was brainwashed by DJ Octavio during the events of Splatoon 2. Member of the Squid Sisters. A famous idol.

Name: Hachi. Gender: Female. Age: 15. Personality: Kind. Occasionally scary. First Impressions: Agent 3 -> Saved me. Agent 4 -> Same hairstyle as Agent 3...? Marie -> The yukata looks good on her. Callie -> Energetic. Current Impressions: Agent 3 -> Idolized. Love. Strong. Agent 4 -> Harsh only toward Agent 3. Hate him. Marie -> Has her wit gotten even sharper...? Callie -> Too close to Agent 3. Main Weapon: Octo Shot. Was saved by Agent 3 when she was about to be turned into paste by a blender during the Octo Expansion. Saved Agent 3 when they were brainwashed by the sanitized paste.