Yeah, there are admittedly a lot of treble elements here, and while it could benefit from a deeper sound, those beats are undoubtedly tight. Cello's a nice touch for adding warmth and additional depth.
Digging the hell out of that chill vibe, man. The title states that this is a demo, so I'm wondering if you'll be expanding on it. I certainly wouldn't mind hearing more and seeing where you go with this idea.