The story is set in the human realm (Tokyo's Shibuya ward) and the bakemono realm (Shibutenmachi). In these two worlds which must not intersect, there lives a lonely boy and a lonely bakemono. One day, the boy gets lost in the bakemono world, becomes the disciple of the bakemono Kumatetsu, and is renamed Kyuuta.

Bakemono no Ko was published in English as The Boy and The Beast by Yen Press under the Yen On imprint on February 23, 2016; and in Spanish by Planeta Comic under the Timun Mas imprint on March 1, 2016.