I'm just uploading my playthrough with a simple walkthrough guide in the descriptions too (Currently being uploaded at time of posting comment, you may not be able to view the video just yet)!
Had to download the demo to try it out when I saw that this is a Malaysian-made game. Just wanted to say that I thoroughly enjoyed the game, and was able to figure out the puzzles (the first playthrough that I did, unrecorded, took me over 1.5 hours though XD) with exception of the final part about the presumed sequence or order to splash the liquid over the paintings before the demo ended.
Overall I loved the atmosphere, the art style, the background sounds and the like. Absolutely loved that this was more to exploring/puzzle than typical survival horror tropes. My only suggestion is to put in a brightness setting in the final game! Thank you developers for working hard on this game :D