Presented in 1/7 scale by Tentouyu, the Omaru Polka swimsuit figure features dynamic pose and bright color palette characteristic of her energetic personality. The swimsuit is a glossy two-piece in turquoise and pink with tiny polka dot accents, paired with a translucent sunscreen wrap draped at her side. Facial sculpt captures Polka's cheerful expression, with large animated eyes, a small open mouth, and bold eyelashes. Her pastel hair is sculpted in long, wavy strands that cascade around the shoulders and frame the face, while accessories such as a tiny star-shaped hairclip and a beach-themed background stand complete. The paintwork emphasizes shading and highlights, enhancing depth.

On-screen, Omaru Polka is a lively Hololive character whose streams blend whimsy, mischief, and musical interludes. Her lore places her as a cheerful adventurer who turns everyday settings into party scenes, from quirky games to impromptu dance numbers. In the swimsuit incarnation, Polka's personality shines through the playful energy of the pose and colors: she is ready for a sunny beach day, inviting fans to join the festive mood. The design nods to her signature humor—bright eyes, runaway curls, and a flirtatious, upbeat attitude—while maintaining a respectful, fan-friendly portrayal that broad audiences can enjoy.