Onmyouji

Both of these shows deals with resolving the matter spiritual like this. Mononoke has to find 3 things to resolve the matter which deals with emotions and understanding everything before he can resolve it. Onmyouji has to resolve the emotions also and figure out what they are wanting in the same sense.  

It has the same vibes of both using the other persons emotions to resolve the matter. Death Parade does it to see who goes where and Onmyouji uses it to solve some spiritual matter. Both are in the same senses.  

both have onmyouji (ancient japanese exorcist) as its main character "onmyouji" is historical fiction with fantasy themes "Saikyou Onmyouji no Isekai Tenseiki", as in its title, is an isekai 

both are historical fictions with a dash of supernatural themes and represent mythologies from both countries koukyuu no karasu has implied romance between male x female character onmyouji is about the friendship of 2 guys 

both are set in the same era, heian period for "onmyouji" and "heike monogatari", both potray the culture of pre-sengoku era japan including references to the courtly life in the palace "onmyouji" has supernatural themes in it 

both are set in the heian period, both make major references to poetry onmyouji has supernatural themes and displays male x male brotherhood chouyaku hyakuninisshu is non-supernatural and displays more male x female relations