OS-tan Me-tan is depicted as a petite, charming figure designed in a soft, kawaii style. She stands with a slight tilt of the head, a playful grin, and one hand raised as if greeting the user. Her hair is styled in long twin tails that swirl with subtle hints of pale azure and white, accented by tiny circuit-like patterns etched into the edges. Her outfit blends retro tech aesthetics with modern idol fashion: a short sailor-inspired dress in pale blue and white, trimmed with neon cyan piping, a belt resembling a motherboard, and tiny accessories like a USB-shaped hairpin and a pixel-art badge on the chest. The figure showcases meticulous sculpting: delicate fingers, creased fabric folds, and textured boots that resemble glossy polished plastic.

Me-tan is the cheerful, multitasking guardian of the OS-tan universe, born from the idea that every operating system deserves a friendly face and a loyal helper. In the stories surrounding her, Me-tan acts as an energetic liaison between users and complex software features, translating technical concepts into approachable guidance. She moves through digital landscapes with a determined stride, collecting data fragments, solving minor glitches, and offering encouragement to those learning to customize their setups. Her personality blends curiosity, optimism, and a hint of mischief, as she loves puzzle-solving and learning about new hardware. She has a soft spot for retro computing and enjoys exchanging ideas with fellow OS-tan characters. Her journey involves protecting user experience from creeping bugs, promoting thoughtful customization, and reminding fans that even small changes can improve daily life with technology.