Name: Yuuka Age: 15. Gender: Female. Main Weapon: Shooter-type. Personality: Easygoing but energetic and active. She actually gets along well with Agent 4 (Hinata), though they occasionally bicker over trivial things. Likes: Turf War, collecting gear. Dislikes: Extremely spicy food. Combat Style: Good at situational judgment; a flexible type who switches between the front lines and backline as needed. She strongly admires and respects the Captain. She often challenges the Captain to matches, only to be turned down or completely crushed. Seeing the many scars on the Captain's tentacles, she wonders, "What kind of battles do you have to go through to get that many scars?" Her partner is a Smallfry, and they are often together.

Name: Hinata Age: 14. Gender: Female. Main Weapon: Dualie-type. *Speaks with a boyish tone. Personality: Energetic and active, she's often the one leading the group and inviting everyone to play. However, she's surprisingly airheaded and often gets lost. She's a pushover and will do things if asked, but she will refuse things she truly dislikes. Likes: Ranked Battle. Dislikes: Nothing in particular. Combat Style: Usually on the front lines splatting enemies. However, she does watch the flow of battle and makes tactical decisions when necessary. She doesn't know much about the Captain, but after hearing stories and seeing others' reactions, she thinks, "This person is incredible!" and respects them. She often goes with the new Agent 3 to challenge the Captain, only to be turned down or crushed. Looking at the Captain's scarred tentacles, she thinks, "What kind of fight leaves you with that many scars?" A big fan of Off the Hook.

Name: Mio Age: 16. Gender: Female. Main Weapon: Charger-type. Personality: Quiet and composed, she's a bit awkward at expressing emotions. However, as she spends more time with her comrades, she has begun to show smiles little by little. She has a kind heart, considers others' feelings, and can't ignore someone in trouble. Likes: Spending time in quiet places, listening to music, gazing at the starry sky. Dislikes: Loud noises, etc. Combat Style: A type who calmly analyzes the situation and supports allies. She rarely charges in alone, preferring to watch the team's movement and choose the optimal action. Her weapon is her precise aim. She respects the Captain more than anyone and holds a strong admiration for them. Unlike the new Agent 3 and Agent 4, she rarely challenges the Captain to fights, preferring to watch. However, on the rare occasion she feels like it, she'll ask for a match and get crushed. Looking at the Captain's scarred tentacles, she thinks, "I wonder what kind of battles resulted in so many scars..."

Agent 1. Age: 26. Gender: Female. Main Weapon: Roller-type. Personality: Bright, innocent, and friendly. She can get along with anyone instantly and is great at livening up the mood. On the other hand, she's a bit airheaded and does things at her own pace, often acting on impulse. Despite that, her feelings for her friends and the people of the city are stronger than anyone's, and she has the kindness to help those in need. Likes: Singing, dancing, Splatfests, spending time with friends, trying new things. Dislikes: Thinking about difficult things for too long, being alone, seeing her friends get hurt, extremely spicy food. Combat Style: Uses her natural athleticism and mobility to support allies with quick judgment. Contrary to her bright and cheerful aura, she is a reliable presence who stands brave when it counts. A popular idol who livens up Inkopolis as a member of the Squid Sisters. She is on good terms with the Captain and trusts them deeply.

Agent 2. Age: 26. Gender: Female. Main Weapon: Charger-type. Personality: Calm and composed. She can look at things objectively and is a reliable figure who doesn't panic in any situation. While she usually has a cool aura, she has a playful side, cracking jokes or giving slightly mischievous retorts to those she's close to. She is caring and has a hidden kindness, supporting her friends quietly when they are in trouble. Likes: Music, live shows, relaxing, looking at the scenery while drinking tea, watching over her friends. Dislikes: Irresponsible behavior, her friends being in danger, overly noisy places (for long periods). Combat Style: Supports the team with her calm demeanor and high level of judgment. She quickly assesses the situation and provides precise support. Usually reserved, she acts more bravely than anyone when the time comes. A popular idol who livens up Inkopolis as a member of the Squid Sisters. She is on good terms with the Captain and trusts them deeply.

Age: Over 100. Grandfather of Marie and Callie. Gender: Male. Personality: An experienced and dependable commander. He often speaks with jokes and has an elusive, breezy personality. However, in battle, he uses his years of experience to give calm, precise orders and lead his allies. He rejoices in the growth of the younger generation more than anything; even when he is strict, it comes from a place of deep kindness and concern. He often talks nostalgically about the past, but his drive is still healthy enough that he tries to stand on the front lines even now. *Though everyone stops him with all their might.* Likes: Seeing the growth of young Inklings, relaxing with tea, telling old stories, protecting the peace of Inkopolis and Splatsville. Dislikes: Anything that threatens peace, being treated too much like an old man. His back often hurts. Speaks with an "old man" dialect. He is on good terms with the Captain and trusts them deeply.