 If you liked
Kuzu no Honkai
|
 ...then you might like
Happy Sugar Life
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Both contains messed up views towards "love", the only thing that is different is that Happy Sugar Life is a lot more violent and dark which shows how love can sometimes result to physical altercations/abuse while Kuzo No Honkai contains mental and psychological abuse which is a lot different from the physical ones but also deals a great amount of damage. These manga shows the brutal truth that love is a very violent thing.