Well, im not sure if there is someone reading/watching manga/anime and not being familiar with the Onibaku duo.
This is fan Art (coloring + few retouches, from this image : [link]
) of the Manga/Anime called "Shonan Junai Gumi" created by the ultimate Tohru Fujisawa
Comments would be nice, cause i really love the outcome
Onibake after a fight should be