Himouto! Umaru-chan adapts the manga by SankakuHead that has been serialized since March 2013. The first season aired in Summer 2015, and was simulcast by Crunchyroll. An unaired episode 13 was bundled with the manga's seventh volume in October 2015. A second OVA was bundled with the tenth compiled volume on April 19. Sentai Filmworks will release the anime in Blu-ray and DVD volumes, as well as a premium box edition on May 30. A second season has been announced for Fall 2017.