Referencing this infamous Vocaloid Hatsune Miku song singing about making and enjoying onigiri made with Cesario (the horse)'s sweat.

Naturally someone made a Tanuki version soon after her design (the uma's) was unveiled.
(Note: The other co-star in the video is the old fan original tanuki design for Cesario.)

NNescio said:
Naturally someone made a Tanuki version soon after her design (the uma's) was unveiled.
(Note: The other co-star in the video is the old fan original tanuki design for Cesario.)

And someone else made a metal rock AI cover because why not I guess