Guillermo del Toro has multiple movie projects in development and is working on a TV version of The Strain for FX, but that hasn’t slowed him down. It was recently revealed that he’ll be helping adapt Monster, a Japanese manga and anime series, at HBO.

According to Deadline, del Toro will co-write the story with Doctor Who and Sherlock‘s Steven Thompson. Monster is a 17 volume manga series written and illustrated by Naoki Urasawa. It was first published in 1994 and was later turned into a 74-episode anime series that first aired in 2004:

Via Ann: “Kenzou Tenma, a Japanese brain surgeon in Germany, had it all: incredible skill at his work, a rich and beautiful fiancee, and a promising career at his hospital. However, after becoming disenchanted by hospital politics, he chose to save the life of a young boy who got shot in the head over the life of the mayor.