The Day I Became a God (神様になった日, Kami-sama ni Natta Hi) is a 2020 Japanese anime television series produced by P.A. Works and Aniplex and directed by Yoshiyuki Asai. It aired from October to December 2020. The story was originally conceived by Jun Maeda, who also wrote the screenplay, with original character design by Na-Ga. Both Maeda and Na-Ga are from the visual novel brand Key, and The Day I Became a God is the third original anime series created by Key following Angel Beats! in 2010 and Charlotte in 2015.