The 15-episode original net animation Agate is now available to stream on YouTube with English dub and subtitles. Adapted from the manga Wu Nao Monu, the series delves into a tragic fantasy narrative about a demon girl afflicted with eternal life who seeks to forget her past by discarding half her head.

Her act inadvertently causes a flood in hell, drawing the attention of Aloys, the Prince of Ghost. His subsequent journey to the human world to uncover the truth leads him to the demon girl, initiating a story centered on life, love, and loss. The series explores themes of tragedy, magic, and demons, with a strong focus on its female protagonist.

Agate is a completed series, allowing viewers to binge the entire dramatic arc. It is also noted as a sequel to another ONA, Agate 2, indicating a larger narrative universe.