Hatsune Miku is a virtual singer created with Vocaloid software, first released in 2007, who became a global fan culture icon through songs, concerts and fan-made art. The word dayo is a casual Japanese sentence ending that adds a confident, self-announcing tone, so the short line works as a playful way for Miku to present herself. Short Miku voice clips circulate widely on soundboards and in fan edits, where they are reused for introductions, reactions and light-hearted memes, and the clip sits alongside other short anime voice clips such as anime ahh that fans drop into similar moments.