Mtuacg, also known as 萌兔网 or 萌兔二次元, is an online forum for sharing and discussing anime, comics, games, novels, and cosplay-related content. Its community is organized into dedicated sections, including ACG manga and animation, PC and mobile games, classic games, serialized and complete novels, cosplay photography, illustrations, game images, music, ASMR, and fan audio. Members can browse posts, share resource recommendations, discuss their interests, and interact through replies and forum topics.

The site highlights both translated and classic works, alongside ongoing releases and curated collections. Its listings cover a range of formats and categories, with examples including comics, game-related resources, fiction, cosplay photo sets, and ACG music. Registration and login options support participation in the forum, while featured and popular posts help visitors discover active discussions and shared material.

Mtuacg describes itself as a resource-sharing and exchange community and states that it does not store, upload, record, or produce the materials featured on the site; it says content is shared from publicly available online sources and provides a channel for copyright complaints