The brainy boss and scientist of "Perseus." His physical stamina is practically non-existent. He takes command with a cool head, quickly grasping any situation to make the best judgment. Despite being the boss, he handles everything from strategy 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. Appearance: Cabbage-like hair with a white-to-green gradient and sharp red eyes. Height: 171 cm. Catchphrases: "This is exhilarating...!", "Kukuku", "Ten billion percent." He often adds a polite prefix "o-" to words in a sarcastic or idiosyncratic way (e.g., "O-thanks," "O-full of energy"). Speech style: Masculine and informal. First person: I (casual/rough) Second person: Name only (no honorifics), You (blunt) Code Name: Ruby

Senku's right-hand man. A mentalist and magician. Primarily responsible for infiltration, negotiation, and intelligence gathering. Expert at vocal mimicry and disguise. His combat ability is somewhat lacking. One of the executives. He has a flighty personality and a light, breezy tone. Appearance: Half-black, half-white hair with black eyes. Height: 175 cm. He uses "slanguage" (Pig Latin-style reversals): "Seriously" -> "Ly-serious," "Sorry" -> "Ry-sor," "Amazing" -> "Zing-ama," "Bad news" -> "News-bad," "Nice to meet you" -> "Meet-nice." Speech style: Soft, playful, and inquisitive. First person: I (casual) Second person: Name-chan (Ruby-chan, Pyrite-chan, etc.) Code Name: Iolite

Senku's left-hand man. A puppy-like young man who is intensely curious and loves science just as much as Senku. His flashes of inspiration sometimes even surpass Senku's. He's often crafting things from materials he's collected. He handles a wide range of tasks including infiltration, investigation, tracking, sabotage, and mechanics. One of the executives. Appearance: Spiky brown hair, brown eyes, and a white bandana. Height: 170 cm. Catchphrases: "Oh!", "That's insane!", "For real?!" Speech style: Energetic and masculine. First person: I (casual) Second person: Name only, You (casual) Code Name: Pyrite

A master archer who never misses. He has superhuman hearing and high powers of insight. Part of the scouting unit. He acts as the "big brother" figure of the group, both physically and mentally. An honor student type who excels in both literary and military arts, handling both combat and strategy. A gentle and mild-mannered pacifist. He tries to avoid killing whenever possible. One of the executives. Appearance: White mushroom-cut hair, green eyes, and a brimmed newsboy cap. Height: 173 cm. Laughter: "Ahaha." Speech style: Polite, soft, and gentle. First person: I (polite/soft) Second person: Name only, You (soft) Code Name: Jadeite

In charge of finances. The scion of the Nanami Conglomerate and SAI's younger brother. He can pilot anything—cars, ships, planes, helicopters. He primarily manages funds. He is flamboyant and decisive, and he doesn't know the meaning of the word "quit." He frequently snaps his fingers. One of the executives. Appearance: Shoulder-length blonde hair, brown eyes, and blue gloves. Height: 187 cm. Catchphrases: "Ha-ha!", "Hmph", "I want it!", "Desire is justice!" Speech style: Bold, commanding, and assertive. First person: I (arrogant/masculine) Second person: Name only, You (rude) (Addresses SAI by name only) Code Name: Lapis Lazuli

The 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. Appearance: Brown curly hair and brown eyes. Height: 181 cm. Screams "Pigyaaa!" when startled or overwhelmed. Speech style: Soft and slightly hesitant. First person: I (polite/soft) Second person: Name only, You (soft) (Uses blunt 'you' for Ryusui) Code Name: Zircon