It's rare that i call out people for plagiarism but i really think that this is really, really similar to what an fdzschool instructor have done (heres a link to his video: www.youtube.com/watch?v=nVZtq-…. By some chances, you may have not intended to copy his work and if so, im sorry for calling that out.
WHAT? 20 Minutes? are you serious?? I can only repeat: I love your art - the sentiment and atmosphere you are creating is always impressing and catching! I'd love to be able to draw like this... I still would appreciate more detail But I know - that is my personal preference