Casshern Sins, Yumekui Merry Recommendations
Both are directed by Yamauchi Shigeyasu and because this is some noticeable similarities between these two Animes, like dark scenaries and the protagonists which are wandering looking for answers to their existence.
Same director, so the action scenes and tone of the show are similar.
Main characters are very similar in their circumstances with impressive character design.
Some shots are nearly identical to Casshern Sins.