Definitely an original entry with Inscryption vibes. That said I have absolutely no idea what the aim is or what to do. Apart from the snow I'm not sure I'd describe this as cozy winter either, or anything to do with reflection I guess.
There is so little guidance, after dying (maybe, did I die who knows?) the first time the game tells me to run, so second run I avoid all monsters but that becomes just endless random screens. The hitboxes and collision shapes are really off here too, you can easily get stuck on monsters or not be able to hit them.
This has a very cool horror vibe (I thought the transition from 2D to 3D was so cool) and with some more guidance and clearer instructions there could be something cool underneath... but its impossible to find out in its current state.
*Edit: Also you mean LMB, not RMB, in your instructions.