Black and white tattoo design of a bull with a fierce, muscular upper body, and the lower part of the face blending into a traditional Oni mask. The bull's horns curve powerfully, and its expression is aggressive and dominant. The Oni mask at the bottom features sharp teeth, intricate details, and menacing eyes, seamlessly combining with the bull's form. The design is in blackwork style with bold shading and highlights, creating a fusion of strength and mythological