Ohoh well first thing, Keiko looks a bit like the girl featured in your drawing "reach for it", the crying face reminded me of that. I think she is a bit overshaded, and it's weird cause she's got a happy smile even if she cries and he's dead ^_^', not like she's desperate !
On the other hand i think yuusuke is great, the way you draw him is awesome, it does look like he's made of smoke
that could be blown away any time !
About the "bg" behind yuusuke, you could maybe have used chalk to get a smoother feeling ;)
Anyway pretty good job XD