I messed this up quite a bit. :P

I draw the same poses too much so I was just trying something different (I'm always trying something different I just never finish them)

The sketch looked better...

(I kind of came up with a backstory for the picture, for some reason...)
I feel like for this picture, Red and Diablo forced Zero to go with them to the beach, and Diablo being an idiot somehow managed to knock someone out, probably from throwing rocks around. And while Red's yelling at Diablo for being an idiot, Zero's actually helping the person Diablo probably almost killed. Zero's a good boy