Looking great so far! The art caught my eye because the female lead reminds me a lot of Avatar Korah. Plus the wind magic really reminds me of Aang from the Last Airbender series. Anywho, I hope
@jia-art that you share your artwork on webtoons.com - not everything they have is in color, so you'll definitely fit right in.
You should probably open a Patreon too or you could post the volumes on Itch.io and receive payments via Paypal. You could do the same via Gumroad, or through Ko-fi. But I suggest you use Itch.io instead of Amazon Kindle, because that way you can actually build a following. Your followers can subscribe to your page and receive email notifications every time you release a new volume. And if you ever start up a second series, your followers would still be with you on Itch.io
It's probably a good idea to include a reusable cover page with all your social handles and places to buy / donate. It can also introduce the particular volume and chapter of Dragon Claw. I know it's extra work, but I think it'll go a long way to helping you build a following.
I don't use Instagram or Twitter, but I use Itch.io (mainly for games) and Gumroad (mainly for design-focused or print material, like fonts and ebooks).