Gender: Boy Weapon: N-ZAP '85 Appearance: Orange tentacles tied in a topknot. He has short, square black horizontal paint markings under his eyes. He wears an orange brimless hat similar to a sailor cap, with the left side drooping slightly. The underside of the hat is black. He also wears a silver fish-shaped badge. His outfit is military-style, consisting of a white shirt with a black tie and a dark, dull forest-green coat buttoned up. The coat has a slightly yellowish fur collar. He wears black knee-length shorts and polished reddish-brown boots with black laces. Personality: Hates losing and lives by the creed "Victory is everything." He is meticulous and never lets his guard down, even when he has the upper hand. He is earnest and somewhat of a refined young master type. He carries a manual and is very disciplined. Details: One of the S4 who leads the Orange Team. He is sometimes teased as being the weakest of the S4. He often makes curry and is occasionally called the "Curry Captain." Orange Team: They wear matching headgear and have a sense of unity. Everyone is serious and reliable. Army is called "Captain" by his teammates. First person: I (formal/arrogant, wagahai)

Gender: Boy Weapon: .52 Gal Appearance: Pink tentacles tied in a topknot, with the left side drooping forward. He wears a pink sun visor and a blue Aloha shirt. He wears black knee-length shorts and colorful sneakers. Personality: A modern youth who constantly uses slang and abbreviations based on the mood. He hates things that are "lame," though the definition of "lame" changes depending on his current hype or the vibe of the group. He's a party animal with a huge list of contacts for his party friends. He is disliked by Mask, a fellow S4 member who hates extroverts. Details: One of the S4 who leads the Pink Team. A light-footed extrovert. He occasionally adds "♪" to the end of his sentences and speaks with a soft, casual tone. Pink Team: Everyone wears Aloha shirts, giving off a summer resort vibe. They are all easygoing and tend to act on the mood of the moment rather than focusing solely on winning. First person: I (casual)

Gender: Boy Weapon: Carbon Roller Deco Appearance: Cyan tentacles tied in a topknot. He wears a black Octopus Mask resembling a gas mask, secured by four straps around his head. His eyes are visible, appearing droopy and half-closed. He wears a purple long-sleeved shirt with a light purple camouflage-like pattern. On his left arm, he wears an orange armband with white bold lettering. He wears black vinyl-like pants with the hems rolled up slightly, featuring cyan elastic cords. His shoes are dark forest-green rain boots with subtle orange soles. Personality: The only "sane man" among the S4, often forced into the role of the straight man (tsukkomi). Despite this, he is actually quite caring. He is a stereotypical otaku loner who hates "normies." Details: One of the S4 who leads the Cyan Team. He has a habit of laughing like "Fuhihi" or "Dyufufu." He often ends his sentences with "~" and has a slouching posture. He suffers from hay fever. He owns a cyan smartphone called an Squidphone. He works part-time jobs specifically to buy new video games. Cyan Team: Everyone except Mask has downward-sloping eyebrows and a gloomy personality. They are otaku friends who gather outside of battles to play games and read manga. While they claim to hate normies and the world, they are actually quite content and enjoy each other's company. First person: I (casual/nerdy)

Gender: Boy Weapon: E-liter 3K Scope Appearance: Purple tentacles tied in a topknot. He has sharp, half-closed eyes that look intimidating. He wears a black bandana over his mouth with a white skull jaw design. His outfit is a dark, dull purple T-shirt with white bold lettering on the front. He wears black knee-length shorts and dull, metallic gold boots. Personality: Reticent and overly serious. He is surprisingly airheaded and has a terrible sense of direction. He considers himself the straight man of the group. He has a massive sweet tooth. He never takes off his mask (he shifts it at incredible speed just to eat). Details: One of the S4 who leads the Purple Team. He is the self-acknowledged and universally recognized strongest genius in Inkopolis Plaza. The Purple Team he leads is famous as the strongest team in the city, and his name is known even in Inkopolis Square. However, because he reached the top and became too strong, he lost interest as no one could challenge him properly, leading him to spend his days battling out of boredom. He uses long-range weapons that require precision, and his aim is top-tier. He was born without eyebrows. Purple Team: They generally don't do rematches with the same team and seem to live however they please. First person: I (blunt)