Any guesses?

Just a friendly dragon that wants you to relax a little. NSFW, 18+. He/Him. Asexual/diapersexual.
Any guesses?
Not a bad guess considering that I was using this greenhouse for growing mushrooms a few months ago!
You generally don't need much light for mushrooms. Light is just an indicator for growth direction so you can get away with ambient light in an normal room or none at all.