地獄不思議発見

Yes, that's the name of Hoozuki no Reitetsu's cover chapter based on this pic.

I said to myself I wouldn't do other Sumi-e pic in Illustrator... oh well.

Illustrator CC

Hoozuki from Hoozuki no Reitetsu (c) Eguchi Natsumi

ETA: If you ask: No, I didn't use the mirror option to both faces. All was done by hand.