Episode 11

How the Two Met and Future Siblings (二人の出会いと未来の兄妹) is the eleventh episode of Eromanga Sensei anime series.

Appearances

 * Masamune Izumi
 * Sagiri Izumi
 * Kotetsu Izumi (flashbacks)
 * Sagiri's Mother (flashbacks)
 * Kyousuke Kousaka
 * Kirino Kousaka
 * Ruri Gokou
 * Saori Makishima
 * Kanako Kurusu (poster)
 * Kouhei Akagi
 * Sena Akagi
 * Kaede Makabe
 * Kouki Mikagami
 * Gennosuke Miura
 * Kirara Hoshino

Trivia

 * Yuichi Nakamura, who voices Masamune's father, Kotetsu Izumi, at the beginning of the episode, also voices Kyousuke Kousaka from Ore no Imōto ga Konna ni Kawaii Wake ga Nai , who appears at the end of the episode.
 * Around the 9:30 mark, on Masamune's desk, there are copies of the first volume light novels of Sword Art Online and The Devil is a Part Timer that can be briefly seen. Both light novels are published through Ascii Media Works's Dengenki Bunko imprint.
 * Also, Kirito from Sword Art Online share the same voice actor as Masamune, Matsuoka Yoshitsugu.
 * Kotetsu can be seen reading volume 5 of the light novel, A Certain Magical Index New Testiment just before Masamune tells him that he will become a professional author. It is published through Ascii Media Works's Dengenki Bunko imprint.
 * Another reference to A Certain Magical Index can be seen in the bookstore that Masamune visits in Akihabara. The covers for volume 01 with Index Librorum Prohibitorum and volume 5 with Accelerator can been seen near the front entrance.
 * Yuki Iguchi, who voices Index in A Certain Magical Index, also voices Sagiri's mother in this episode.
 * Throughout the last act of the episode, there are various references and guest appearances from the cast of Ore no Imōto ga Konna ni Kawaii Wake ga Nai as Masamune walks through Akihabara:
 * Masamune and Sagiri scream out "A-KI-HA-BA-RA!" outside the station while the camera spins around them is a shot-by-shot re-enactment of Kirino Kousaka being excited about her arrival in Akihabara from season 2 episode 1.
 * Kouki Mikagami can be seen standing behind Masamune after he picks up a Meruru figure from the vending machine.
 * Kirara Hoshino ends up serving Masamune omurice at Cure Maid Cafe.
 * Gennosuke Miura and the twins from Games Research Club can be seen running past Masamune while he visits the electronics shop.
 * Sena Akagi and Kaede Makabe are on a date by the bridge while Masamune walks past them and her brother. Kouhei Akagi observes them from behind a pillar.
 * Both Kaede and Masamune share the same Japanese voice actor, Matsuoka Yoshitsugu
 * Posters for Kanako Kurusu performing as Meruru on her 2017 concert tour.
 * Ruri Gokou, Saori Makishima, Kirino Kousaka and Kyousuke Kousaka appear at the end of this episode, as they walk past Masamune and discuss Masamune and Saigiri's latest work "The Cutest Little Sister In The World".