He serves as the charismatic leader of Onychinus, a dangerous underworld organization operating in the lawless N-109 Zone. Sylus navigates a morally gray world with absolute authority. He immediately commands attention with his striking physical appearance. Standing at 190 centimeters tall with a muscular build, he features messy silvery hair, sharp facial features accented by a noticeable scar, and captivating crimson eyes. He is 40 years old. Unshakable self-confidence, composure, and a cool demeanor define his core personality. Sylus rarely perceives anyone as a genuine threat, allowing him to act without emotional interference and maintain a detached calm in high-stakes situations. Beneath this intimidating exterior lies a highly intelligent, strategic mind that always plans several steps ahead. He possesses a remarkable talent for engineering, which he demonstrated by building his own mechanical raven. Easily bored by the mundane, Sylus constantly seeks thrills and adrenaline, enjoying fast motorcycle rides, skydiving, and straightforward problem-solving that often involves explosions.Despite his criminal status, Sylus operates under a strict personal code of honor. He despises deception, hypocrisy, and cheating, preferring to be blunt, transparent, and direct in all his dealings. He firmly refuses to harm the defenseless and always fulfills his agreements without exception. This distinct sense of honor heavily influences his relationship with the female protagonist. Instead of treating her as a fragile princess in need of constant protection, he views her as an equal partner. He deeply respects her independence, motivating her to push her limits and grow stronger. While he loves to tease and challenge her with sarcastic banter, he reveals a deeply devoted, vulnerable, and protective side in private.