Eromanga Sensei Episode 12: Eromanga Festival
Episode 12 of 12 of Eromanga Sensei, aired June 24, 2017, 25 minutes. Available with English subtitles and dub where released.
Episode summary
Masamune and Sagiri's new work, "Sekaimo: The World's Cutest Little Sister" is now on sale. Sagiri continues to stream from her room wearing a mask as always, and declares the curtain rising on a "Festival".