Boku to Akumu to Onee-san
When a mysterious boy who always holds a black book in his hands sleeps he dreams grotesque things.
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Boku to Akumu to Onee-san has 16 chapters across 2 volumes.
As of now, Boku to Akumu to Onee-san has finished.
Boku to Akumu to Onee-san was published from March 19, 2019 to December 19, 2020.
Boku to Akumu to Onee-san is a manga, originally from Japan.