The Melty Blood Neco-Arc Nendoroid Plus Deka captures the playful charm of Neco-Arc in a chunky, endearing form. Standing tall at around 250 millimeters, this deka-sized figure presents a chibi silhouette with an oversized head, rounded limbs, and a glossy, high-contrast paint job that brings out Neco-Arc's mischievous personality. The figure features clean sculpt lines, a compact torso, and a cute, simplified costume inspired by Melty Blood. Expressive face plates showcase her wide, gleaming eyes and cheeky grin, while small accessories, a tiny tail, and a sturdy base help support dynamic poses that nod to the character's whimsy and charm.

Within the Melty Blood universe, Neco-Arc is a playful, arc-light parody character who interacts with the main cast in ways that balance humor with surprising moments of power. In many routes, her antics provide comic relief, yet she demonstrates unpredictability and occasional impact on battles through comedic bursts. The figure captures that vibe by presenting her as a larger-than-life cat-like character whose antics punctuate scenes, echoing her role as a mischievous observer and foil to serious fighters. The narrative surrounding her quirky appearances in the Melty Blood series centers on playful misdirection, clever timing, and a sense of whimsy that fans of the franchise will recognize.