This is really well done -- very nice work especially on the muscles in the arms and stomach X3 The only thing thats coulod use some tweaking might be his face; it's a very masculine looking face with a strogn chin and jaw that I dont think quite suits the slim boned youkai.
But I think that's me being particular about my girly looking men.
He did come out a lot more masculine than anticipated. I think the the problem I ran into was that he has a very masculine body even in the manga and anime. The androgynous face was just not working for me.
All the same, not bad for my first go