Coby, a young orphan inspired by D'Artagnan, dreams of becoming a musketeer. His parents' fiery demise in his childhood shapes his emotional landscape, driving his determination to prove himself among the musketeers and contribute meaningfully. Naturally cheerful and energetic, he displays unwavering bravery despite his youth and inexperience. Loyalty anchors his relationships; he consistently prioritizes friends' and mentors' safety. Guided by a strong moral compass, he stands firm for his convictions even against grave danger.

He trains relentlessly to sharpen his swordsmanship, though his skills initially lag behind seasoned musketeers. Enthusiasm occasionally outstrips his technique, forcing him to rely on quick thinking and raw courage. This fervor underscores his dedication to earning his place among the musketeers. Haunting memories of his parents' tragedy serve as both a personal challenge and motivation. Though painful, he learns to forge his grief into perseverance, transforming loss into fuel for protecting others. This emotional journey refines his resilience.

Coby evolves from an untrained, eager youth into a capable fighter, confronting fears rooted in his trauma while steadily honing his abilities. His growth centers on believing in his potential and proving his worth through actions mirroring musketeer values. His journey charts a path toward self-assurance and competence within their demanding world.