Mahou Shoujo Madoka★Magica, Utsuro no Hako to Zero no Maria Recommendations
Right off the bat, generally speaking they both have a grim, heavy atmosphere with hints of despair and hopelessness at times. Besides that, they both deal with wishes and dealing with the results/consequences of those wishes. A happy normal everyday
life is broken by said results/consequences.
There are further similar points but I'll refrain from mentioning them to avoid spoiling anything.
Looking for something similar? Seriously, this is SPOT ON while still being different enough to be a good read. I'd even consider this one better and I absolutely love Madoka.
The plots of both are very similar. They both are light-hearted at times, and then other times very, very dark. Both have very compelling stories that make you not want to stop reading. Both feature an item that you essentially trade your soul for to make a wish. In both, the main characters are trying to figure out what exactly is going on. Both of the protagonists have something very special about them that is