As long as anyone can remember, there have been rumors of man-eating demons living in the woods. Even in the more enlightened Taishou era, the townspeople never go near there at night. Tanjirou Kamado, a kind boy who has been supporting his family as a coal seller since his father died, quickly learns that the local superstition is more than just rumors when he returns home one day to find his family slaughtered by demons. Only he and his sister Nezuko manage to survive, but she is transformed into a demon. Determined and resolute, he is recruited into the Demon Slayer Corps and his quest to help turn his sister human again and avenge his family's deaths begins. (Source: Shueisha, translated)
Tanjirou, along with Zenitsu, Inosuke, Nezuko, arrives at their next mission's destination, the Mugen Train, where over 40 individuals have vanished within a brief span of time. Teaming up with Kyoujurou, the Flame Hashira, Tanjirou confronts the hidden demon lurking within the train. However, what awaits them is an endless dream...!? (Source: Shueisha, translated)
The first light novel written by Aya Yajima for Kimetsu no Yaiba containing five chapters, as well as an afterword. 1. **Shiawase no Hana** Takes place after the Drum House arc and centers around Tanjiro, Zenitsu, and Inosuke bonding while attending a village wedding. 2. **Dare ga Tame ni** Takes place after the Natagumo Mountain arc during a "date" between Zenitsu and Nezuko. Zenitsu begins to reminisce about his past encounter with a woman named Sayuri. 3. **Uranai Sōdō Tenmatsuki** Takes place after the Infinity Train arc. Shinobu attempts to cheer the Kamaboko trio up by sending them to buy sweets. On the way back to the Butterfly Mansion, the trio encounter a fortune teller. 4. **Aoi to Kanao** Shinobu sends Kanao to accompany Aoi on a trip to the apothecary. 5. **Chūkōikan ☆ Kimetsu Gakuen Monokatari** Modern-day school alternate universe where Zenitsu has had enough of the Morals Committee and begs his friends to help him quit the club. A seemingly easy task becomes complicated when all of the teachers turn out to be unreliable.
The second light novel written by *Aya Yajima* for Kimetsu no Yaiba containing six stories. 1. **Katahane no Chō** The story of how the Kouchou sisters ended up becoming Demon Slayers. 2. **Tadashii Onsen no Susume** Uzui motivates Zenitsu to complete his training by offering him the chance to join a mixed-gender bath. Excited, Zenitsu agrees, roping in Inosuke to help him finish the task. 3. **Kanroji Mitsuri no Kakushigoto** Mitsuri begins to feel troubled after learning about the reason why Shinobu joined the Demon Slayer Corps. Feeling selfish, she begins to avoid the other Hashiras. Obanai and Shinobu, not knowing what's wrong, brainstorm ways to cheer her up. 4. **Yume no Atosaki** Genya enjoys a quiet day in the Butterfly estate amidst thoughts of his older brother. 5. **Warawanai Kimihe** The pillars get together to make Tomioka laugh. 6. **Chūkōikan ☆ Kimetsu Gakuen Monokatari ~ Paradaisu・Rosuto** A cute short about the Kimetsu no Yaiba cast as modern-day students preparing for the upcoming school festival.
The book will be a short story collection, but will primarily center on the Wind Hashira, Sanemi Shinazugawa. (Source: Anime News Network)
"Rengoku Volume 0" was distributed to all Kimetsu no Yaiba: Infinity Train Movie attendants. It has a new fully drawn story by Koyoharu Gotouge that depicts the first mission of Kyoujurou Rengoku.
A spin-off about Tomioka Giyuu.
Ryouji Hirano will launch a four-panel spinoff manga based on Koyoharu Gotouge's Kimetsu no Yaiba manga on Shueisha's Shonen Jump+ app and website. The full-color manga will feature SD versions of the characters from the main manga.
A spin-off about Rengoku Kyoujurou.
Giyu heads north to an area where a band of hunters was killed. He and the Insect Hashira meet Yae, the daughter of a slain hunter, who believes a bear killed her father, but the truth is harder to face. Kyojuro also receives his newest assignment and hopes completing it will prove he’s worthy of the title Flame Hashira, which his father abandoned. An explosive battle unfolds as Kyojuro takes on a demon of the Twelve Kizuki who holds a grudge against Kyojuro’s father. (Source: VIZ Media) *Note: Includes Kimetsu no Aima, which was originally 26 chapters.*
Zenitsu is late for class, and the only thing between him and Giyu’s bamboo sword is one good excuse. Next, when Inosuke, Murata, and Zenitsu fail their midterm, they must endure the harshest math lesson of their lives. Then there’s Uzui’s explosive art class, Nezuko’s first cavity, and Rengoku’s forbidden pizza! (Source: VIZ Media) *Note: Includes six extra chapters.*
"There is a human-hunting case which has thrown a town into confusion. The culprit is a vampire...A boy wielding a sword appears in front of the violent vampire?!" - official synopsis (translated) Kagarigari is one of the 70th Shonen Jump Newcomer Treasure Award-winning entries and is the prototype to Kimetsu no Yaiba.
From [Rotti Totti](https://www.mangaupdates.com/groups.html?id=9047): Short stories taking place between scenes up until the Pillar Training Arc NOTE: As of 6/1/19 this doujin contains some spoilers for the manga. If you are an anime-only fan/have not caught up with the manga then please be aware of the spoilers!!
From [Rotti Totti](https://www.mangaupdates.com/groups.html?id=9047): Cute interactions between Tanjiro and the other characters who adore him. Takes place between the Swordsmith Village and Pillar Training arcs.
From [Rotti Totti](https://www.mangaupdates.com/groups.html?id=9047): Funny and heartwarming antics by some members of the pillars and the upper rank demons (respectively). Contains some spoilers toward the end.
K*metsu no Yaiba's Nezuko comes onto Tanjiro every month like an uncontrollable urge. To soothe Nezuko's irrepressible desires, Tanjiro sleeps with her. (Source: DLsite garumani)
[Original work on Pixiv](https://www.pixiv.net/en/artworks/77575565)
Tomioka Giyu and Kamado Tanjiro swapped! A day to make friends, how will the pillars react to this change? (Source: MangaOwls)

