Humanoid Yokai Bem - MangaDex

The "Bokura" version, the phantom comic, has finally been made into a paperback version of the famous "Yokai Ningen Bem" horror anime. A complete collection of all 9 episodes of a serialized magazine that reveals the "secrets of birth" of Bem, Bella, and Bello, which were not introduced in the anime version.

Tanaka Ken (田中憲) - MangaDex

Yōkai Ningen Bem (TV) - Anime News Network

Bem - Yokai Ningen Bem - Zerochan Anime Image Board

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Humanoid Yokai Bem RETURNS - MangaDex

Bem - Yokai Ningen Bem - Zerochan Anime Image Board

Humanoid Yokai Bem RETURNS - MangaDex

Bela, BEM Wiki