love the shading of the muscles!
I dont know the show but the character looks pretty good.
for a phone taken picture the line quality came out really nice!
It's a parody of First of the North Star within the anime, those are fun to draw. I tried to make it rugged in the lineart to suggest a old school anime look.
As for the phone pic, I have some led bulbs, so I knew I had to light up the paper with bright light to look anything decent, then I changed the levels to get something decent enough to paint over to cover the area so people won't notice it.
I had a problem where the lower and upper half would dark too much depending on the level, to get around I split the image in half and changed the level of each half to get it look.
Here is a reduce size of it, which I like better than the color part: