第 1 季 共 12 集
播出时间：2017年4月10日
第 1 集 My Little Sister, and the Sealed Room
播出时间：2017年4月10日
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!
第 2 集 Class Rep with a Normie Life, and a Fearless Fairy
播出时间：2017年4月17日
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…
第 3 集 Buck Naked Mansion and the Fallen Master
播出时间：2017年4月24日
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?
第 4 集 Eromanga Sensei
播出时间：2017年5月1日
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”!
第 5 集 Let’s Plan a Light-Novel with your Little Sister
播出时间：2017年5月8日
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!?
第 6 集 Masamune Izumi and the Nemesis of Ten Million Copies
播出时间：2017年5月15日
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…
第 7 集 Little Sister and the Most Interesting Novel in the World
播出时间：2017年5月22日
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?
第 8 集 Dreaming Sagiri and Summer Fireworks
播出时间：2017年5月29日
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!
第 9 集 Little Sister and the Fairy Island
播出时间：2017年6月5日
"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?
第 10 集 Masamune Izumi and the Younger Senpai
播出时间：2017年6月12日
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.
第 11 集 How the Two Met and Future Siblings
播出时间：2017年6月19日
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.
第 12 集 Eromanga Festival
播出时间：2017年6月26日
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".
