OC by Zankuro Sensei (Twitter > @KXII / Pixiv id > 7964)

Full-res, additional variations, nsfw, step process overview + GIF, and PSD files available on:

Patreon > https://patreon.com/posts/67436773
FANBOX > https://zssh.fanbox.cc/posts/3970997

Gumroad (Old rewards) > https://gumroad.com/zasshu96

Twitter > twitter/z_ARTs96