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Ryibyi was a large leaf covered demon  from Devilman Grimoire who served Sirene.


Identical to his original appearance, Ryibyi is a large slumped humanoid demon covered in large leaves, the only uncovers area's on his body being his mouth and eyes.

Powers and Abilities[]

Unknown as he is killed before being able to use them, however they are presumably plant based.


Ryibyi alongside the pixie demon Irufuno attempted to capture Tsubasa Rainuma in a park at night. However Tsubasa, using her powers, manages to cause both Irufuno and Ryibyi to explode, Ryibyi leaving behind a pile of blood and Leaves. 

In a flashback, Rybyi is seen taking over a human body at a Black Sabbath held by Sirene.