 If you liked
Hellsing Ultimate
|
 ...then you might like
Death Parade
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Both anime try to understand human emotion and behaviour. Both dabble in seeking what is right and what is actually wrong. The character of Anderson and the major see humanity in a different light than the others, they see destruction as a duty. Similarly, even Decim tries to understand human emotion as to judge humans better and through various incidents finally realises what it is to live a complete life.
Both also have aspects of reincarnation and also complex, abstract dialogues which amount to nothing