 If you liked
Kokou no Hito
|
 ...then you might like
Aku no Hana
|
To be fair, there are works a lot more similar to Aku no Hana and they have more differences than similarities but I think they might appeal to a particular niche of readers.
In case you're looking for a manga that follows a main character that has a distorted view on society and can't establish healthy relationships with "normal" people, both have that. Aku no Hana MC also really reminded me of Kokou no Hito MC due to the tendency for both of them to picture the darkest side of society in their minds and at some point in the story be corrupted by a girl.
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