Fleeing tragedy and mistreatment, a young boy named Ren hides among the crowds in Tokyo's busy Shibuya ward. His efforts to run away are more successful than he realizes when he ends up in the world of the beasts! A rough-living bear named Kumatetsu gives Ren a new life and a new name—Kyuuta—but is Kumatetsu really up to the job of being a mentor?

Bakemono no Ko was published in English as The Boy and The Beast by Yen Press from February 23, 2016, to December 11, 2018. It was also released in German by Tokyopop from May 3, 2016, to July 6, 2017.