Humanoid Monster Bem is a tV series anime that premiered in fall 1968.

About the production: the story comes from an original script, there are 26 episodes of about 25 minutes and its current status is "finished".

Its main genres are horror, with themes such as Youkai and Episodic.

On AniList, Humanoid Monster Bem has an average score of 60%, an average score, and appears on 1,128 users' lists.

The franchise continues in or follows from: Youkai Ningen Bem: Part II.

Three monsters, Bem, who looks like a gangster, Bero, who looks like a boy, and Bera, a witch, act as agents of justice, hoping that they will be allowed to become human. Several episodes involve them protecting a young boy. The style of animation is fairly distinctive, and the storylines not without interest. (Source: AniDB)

Official synopsis from AniList.