The light novels have nine volumes released so far in Japan while the manga adaptation is up to seven volumes.
Fans of the Eromanga-sensei light novels and the previous anime TV series have a little more to look forward to as a new OVA is slated for release in 2018.
Plot concept: The story revolves around Masamune Izumi, a light novel author in high school. Masamune’s little sister is Sagiri, a shut-in girl who hasn’t left her room for an entire year.