Hatsune Miku is not from a specific anime, but rather a virtual idol created using Vocaloid software. She has made cameo appearances in various anime series and has her own manga series, "Maker Hikōshiki Hatsune Mix". While she is not the protagonist of any anime, she has appeared in anime such as "Kämpfer," "Chrome Shelled Regios," "Baka and Test," "Maria Holic," "Himōto! Umaru-chan," "Gintama," and "Shinkansen Henkei Robo Shinkalion the Animation". Additionally, she is a recurring guest character in "Dropkick on My Devil! X". Despite her lack of a dedicated anime, she has gained significant popularity and has even had her own concerts.