Biscuit-tan is depicted as a small, endearing figure with a round, chibi-like silhouette that emphasizes kawaii charm. She wears a light brown biscuit-toned dress with a creamy icing waistband and tiny candy sprinkles, paired with white bloomers and cute little boots. Her head is topped by a biscuit-shaped hat with pastel ribbons, and her large, expressive eyes are bright amber with a glossy highlight. A tiny apron features a cookie-crumb motif, and she carries a sugar-dusted prop spatula as an accessory. The base resembles a crumb-strewn wooden tabletop, with gentle shading that highlights sculpted textures and soft edges. The overall color palette blends warm browns, vanilla creams, and soft pink accents. The pose is dynamic, suggesting movement as if she has just finished baking, with one foot forward and arms posed playfully. Fine linework and glossy finishes emphasize the figure's delicate details, and the craftsmanship invites close inspection for tiny decorative elements on her outfit and accessories. The packaging-friendly silhouette balances charm and character depth, making Biscuit-tan a standout piece on a display shelf.

In the imagined world behind the 2Channel line, Biscuit-tan is a cheerful, inquisitive resident who hails from a tiny cafe within a never-ending forum. She gathers crumbs of stories from conversations and bakes them into cookies that reveal honest impressions without breaking trust. Biscuit-tan travels between threads to help other characters understand each other, soothing heated debates with a warm pastry metaphor and a friendly wink. Although she is sweet and polite, she is also brave, stepping into chaotic threads to restore balance by offering thoughtful snacks of wisdom and courage. Her daily adventures include negotiating with mischievous sprites that skim through comment sections, decoding memes, and guiding new users toward respectful, constructive participation. Over time, Biscuit-tan becomes a symbol of community, reminding fans that small acts of kindness can spark long-lasting friendships and a healthier online space, even in a noisy, meme-driven world. Her story encourages collectors to imagine new chapters beyond the figure itself.