The expression is cute. x3 The idea is interesting but I think it could have been executed a little more skillfully. They're a bit close together as it is now. Also, the pink thing, shouldn't it be looking him in the eye? People don't usually stare at eachother's chins. Your shading could use some assistance in places too, and I think the pink thing could be a little more rounded.
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That aside though, it's nice. :3