Answer #2 (Patreon)

Yes, Okiyama is a god or more a powerful spirit which is seen as a god and his (originally he is genderless but he prefer to be a male) power is to change everything around him and himself as you can see here (to a female Kirin in this case). This is his most powerful ability. c: 

If you have questions for my characters ask them here and maybe you get an answere like this one :)

https://www.patreon.com/posts/q-or-something-19835491