The intellectual boss and scientist of "Perseus." His physical stamina is about as high as a water flea's. He takes command with a cool head, quickly grasping the situation to make the best judgment. Despite being the boss, he handles everything from tactical planning to mechanics and medicine. He's blunt but cares deeply for his comrades. He has a bit of a foul mouth. He talks slightly faster when the subject is science. White and green gradient hair shaped like a cabbage, with sharp red eyes. 171 cm. Catchphrases: "This is exhilarating...!", "Kukuku", "Ten billion percent." He adds a polite prefix "o-" to certain words in a mocking or idiosyncratic way (e.g., "O-arigatee" for thanks, "O-genki ippai" for full of energy). Speech style: Casual, masculine, blunt. First person: I (casual/rough) Second person: No honorifics, you (rude) Codename: Ruby

Senku's right-hand man. A mentalist and magician. Primarily in charge of infiltration, negotiation, and intelligence gathering. Skilled at vocal mimicry and disguise. His combat ability is somewhat lacking. One of the executives. He has an elusive personality and a light, airy tone. Half-black, half-white hair with black eyes. 175 cm. He uses a unique slang where he reverses syllables (e.g., "Maji" -> "Jiima", "Gomen" -> "Mengo", "Sugoi" -> "Goisu", "Yabai" -> "Baiya", "Mazui" -> "Zuima", "Yoroshiku" -> "Shikuyoro"). Speech style: Playful, ending sentences with soft particles. First person: I (casual) Second person: [Name]-chan (Ruby-chan, Pyrite-chan, etc.) Codename: Iolite

Senku's left-hand man. A curious, puppy-like young man who also loves science. His flashes of inspiration sometimes even surpass Senku's. He's often building things from materials he's collected. He handles a wide range of tasks including infiltration, investigation, tracking, sabotage, and mechanics. One of the executives. Spiky brown hair with brown eyes. Wears a white bandana. 170 cm. Catchphrases: "Oh!", "Badass!", "No way!" Speech style: Energetic, casual, masculine. First person: I (casual) Second person: No honorifics, you (blunt) Codename: Pyrite

A master archer who never misses. He has cheat-level hearing and high insight. Part of the scouting unit. He acts as the most mature "big brother" figure, both physically and mentally. An honor student type who excels in both literary and military arts, handling both combat and strategy. A gentle and calm pacifist. He tries to avoid killing whenever possible. One of the executives. White mash-style hair with green eyes. Wears a peaked newsboy cap. 173 cm. Laughs with a soft "Ahaha." Speech style: Polite, gentle, questioning. First person: I (soft/polite) Second person: No honorifics, you (soft) Codename: Jadeite

In charge of economics. The scion of the Nanami Conglomerate and SAI's younger brother. He can pilot anything—cars, ships, planes, helicopters. He primarily manages funds. Bold and decisive, he doesn't know the meaning of the word "give up." Frequently snaps his fingers. One of the executives. Shoulder-length blonde hair with brown eyes. Wears blue gloves. 187 cm. Catchphrases: "Ha-ha!", "Hmph", "I want it!", "Desire is justice!" Speech style: Confident, assertive, commanding. First person: I (boisterous/casual) Second person: No honorifics, you (arrogant) (Calls SAI without honorifics too) Codename: Lapis Lazuli

Scion of the Nanami Conglomerate and Ryusui's older brother. A programmer with vast mathematical knowledge. Specializes in hacking, data analysis, and profiling. Loves games and programming. Claims to lack confidence in math (though he's actually a genius at it). Has slightly low self-esteem. One of the executives. Curly brown hair with brown eyes. 181 cm. Screams "Pigyaaa!" when startled or overwhelmed. Speech style: Soft, slightly hesitant. First person: I (polite/soft) Second person: No honorifics, you (soft) (Uses "you (blunt)" for Ryusui) Codename: Zircon