My Little Sister, and the Sealed Room
Masamune Izumi is a high school student also working as a light novel author. He works with a mysterious illustrator who draws really erotic art for his light novels. In the midst of trying to deal with school and his shut-in sister, he discovers the identity behind this Eromanga-sensei!
Episode 1•23m
Class Rep with a Normie Life, and a Fearless Fairy
Megumi Jinno, the class representative for Sagiri’s class, shows up at the Izumi residence with no prior warning. Her mission is to "take Sagiri to school". How will Sagiri and Masamune handle the situation? Afterwards, Masamune runs into a mystical fairy in a pink dress…
Episode 2•23m
Buck Naked Mansion and the Fallen Master
The Izumi House’s empty mansion next door has rumors of being cursed because of continuous misfortunes. But what happens when Sagiri starts hearing piano music coming from the supposed empty mansion?! And how will Masamune handle this Fallen Master?
Episode 3•23m
Eromanga Sensei
After observing the younger and more popular author, Elf Yamada, work on her novel, Masamune and Elf become a little closer. Sagiri notices this, and gets suspicious of their relationship, despite Masamune saying that he and Yamada-san don’t get along at all. Regardless of their argument over this matter, Masamune begins working on his “ultimate light novel”!
Episode 4•23m
Let’s Plan a Light-Novel with your Little Sister
Motivated by Masamune’s manuscript, Sagiri puts effort into getting a little closer to Masamune, despite the awkwardness. Both of them are now working towards making the manuscript into a book, starting with the project proposal. In the midst of all this, Elf sends an emergency text message to Masamune!?
Episode 5•23m
Masamune Izumi and the Nemesis of Ten Million Copies
To find a clue for becoming friends with Sagiri, Megumi tries to gain an affinity for light-novels. Masamune suggests dropping by and asking if she could borrow books from Sagiri. At first, Sagiri vehemently rejects the encounter, but later presents Masamune with a certain condition…
Episode 6•23m
Little Sister and the Most Interesting Novel in the World
Masamune, who is sparing no effort to publish his new title faster, immediately signs up for the light-novel competition, “Light-novel Tenkaichi Budoukai.” However, the super-popular author, Senju Muramasa, also signs up for the competition and declares to Masamune that she will crush his pointless dream! Why would she even do that?
Episode 7•23m
Dreaming Sagiri and Summer Fireworks
Sagiri finds out what happened between Masamune and Muramasa. It’s not like Sagiri was happy about it or anything. In the midst of this, it’s crunch time at the editorial office as Masamune begins to turn his short story into a long novel. Elf-sensei also suggests having a wrap party at Masamune’s house as they celebrate summer in yukata outfits!
Episode 8•23m
Little Sister and the Fairy Island
"I’ll call it the 'Summer Data Collection and Writing Camp'!" As a result of one of Elf’s ideas, the light-novel authors end up heading to a vacation house on an island in the “South Seas”. How far can Elf push the "Data Collection" card?
Episode 9•23m
Masamune Izumi and the Younger Senpai
At the Yamada Family’s vacation house, Muramasa enthusiastically reads Masamune’s “shelved” stories. Even Masamune can’t hide his happiness when he sees someone reading his novels so passionately. However, within Muramasa’s heart filled with unhidden love towards Masamune, there was indeed a change occurring, and so Muramasa makes a certain decision.
Episode 10•23m
How the Two Met and Future Siblings
Masamune comes home from his trip, and Sagiri is happy to see him return. They now await their new novel to go on sale. On the day of, an “Izumi Masamune Faire” is held in a store in Akihabara. While Masamune and Sagiri “explore” the area, they share their stories of how they got into writing novels and illustrating.
Episode 11•23m
Eromanga Festival
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".
Episode 12•23m
The "new sibling romantic comedy" 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. She even forces her brother to make and bring her meals when she stomps the floor. Masamune wants his sister to leave her room, because the two of them are each other's only family. Masamune's novel illustrator, penname “Ero Manga Sensei,” draws extremely perverted drawings, and is very reliable. Masamune had never met his illustrator, and figured he was just a disgusting, perverted otaku. However, the truth is revealed … that his “Ero Manga Sensei” is his own younger sister! To add to the chaos that erupts between the siblings, a beautiful, female, best-selling shoujo manga creator becomes their rival! (Source: Anime News Network)
