I haven't seen Deadman Wonderland or Tanya, so I can't comment on those! Shield Hero, I've been reading the manga as it goes, the shield guy seems to be genuinely good-hearted, just put upon, so I can sympathize with him happily enough.

I mean, sure, the other guys are idiots, but eventually, through perseverance, well, I shouldn't spoil it since you've only seen one episode.

Some of this, I wonder if there are Japanese tropes in literature/media that we're missing.