Hoshi no Samidare

both revolve around a group of characters with different morals, abilities and etc. that are forced to defend the world against a threat they do not fully comprehend and to put there own lifes on the line while doing so. both delve into psychological struggles these characters undergo in the process and the heavy impact it has on ther mental state.  

Both series have main character that are protected and taken care off kindly and well by their leader. 

Both shows are from the same creator, so you'll find similarities between characters and plot. 

Both adaptations ruin the source material, Baraou no Souretsu being the worse one.