This isn't good. Not in the slightest.
First off, what the fuck is that blue layer on the top of their eyes? Don't get me wrong, I like me some lighting. But in those last two drawings, they make no sense! Is there any light surrounding them that would imply that their eyes are blue? Not that I can see! Who would have a blue light in a brown and red room? That not only sounds stupid, but it leads me to my next point.
Look. You either can do backgrounds or you can't. If you can't, don't! There's nothing wrong with drawing a cute character on just a solid background. But in the case that you're bad at backgrounds, but you're masochistic enough to both try it and post it, adding a blur effect to whatever fuckshit you make won't improve it! If you want to make a kickass gradient, add more colors! Don't blur it and then leave it at that! You look lazy!
Also, I can't believe that this is still a problem with these Tumblr artists, but change up your fucking faces! There is absolutely nothing differentiating your faces outside of the eyebrows. Same round eyes, same dull, triangular noses, same wide mouth, same smooth ass white teeth. Change it up! Skill is way more important than style! It doesn't matter that your pieces aren't instantly recognizable, if it's good, it can stand on it's own.
This is a 4/10, no doubt. I can't fucking believe these are the people that think they can get into art college.