 If you liked 100-man no Inochi no Ue ni Ore wa Tatteiru |  ...then you might like Sentouin, Hakenshimasu! |
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)