I don't like to discourage artistic effort, and I feel kind of bad saying this, but this honestly looks much better without an amateurish coloring job attached. I only got about six pages in, but a monochrome yakuza dragon tattoo is just conceptually wrong and jarring, the eggs were an unnerving yellow, a lot of the wood is just brown instead of woody, and by-and-large the colouring just gives a feeling of "I drew this one carefully selected color within the lines" without much thought beyond that, showing consideration for neither lighting nor palette nor anything much else.
I also have mixed feelings in the first place for Mangadex being used as a place for people showing off their colouring-book skills—at least without much more obvious up-front disclaimers attached.
Sorry for being that one downer.