 If you liked
100-man no Inochi no Ue ni Ore wa Tatteiru
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 ...then you might like
Sentouin, Hakenshimasu!
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The character development on both shows are amazing, both male MCs think in a really unique way (they kinda think about themselves more than others*). Oh and both of them are funny and definitely worth the watch.
(Not sure about the second season of 100-man no Inochi no Ue ni Ore wa Tatteiru though, it's kind of going nowhere)