# Osamu Nishi Canonical: https://www.bookquiver.com/osamu-nishi JSON version (same data): https://www.bookquiver.com/osamu-nishi.json - Books: 41 - Languages: 3 ## Books - [Welcome to Demon School! Iruma-kun: IruMafia Edition 9](https://www.bookquiver.com/osamu-nishi/welcome-to-demon-school-iruma-kun-irumafia-edition-9) — 2027-07-27 - [Welcome to Demon School! Iruma-kun 26](https://www.bookquiver.com/osamu-nishi/welcome-to-demon-school-iruma-kun-26) — 2027-06-15 - [Welcome to Demon School! Iruma-kun: Devilish Tales - Kalego's Story](https://www.bookquiver.com/osamu-nishi/welcome-to-demon-school-iruma-kun-devilish-tales-kalegos-story) — 2027-05-04 - [Welcome to Demon School! Iruma-kun 25](https://www.bookquiver.com/osamu-nishi/welcome-to-demon-school-iruma-kun-25) — 2027-04-20 - [Welcome to Demon School! Iruma-kun: IruMafia Edition 8](https://www.bookquiver.com/osamu-nishi/welcome-to-demon-school-iruma-kun-irumafia-edition-8) — 2027-03-23 - [Welcome to Demon School! Iruma-kun 24](https://www.bookquiver.com/osamu-nishi/welcome-to-demon-school-iruma-kun-24) — 2027-02-02 - [Welcome to Demon School! Iruma-kun: IruMafia Edition 7](https://www.bookquiver.com/osamu-nishi/welcome-to-demon-school-iruma-kun-irumafia-edition-7) — 2027-01-26 - [Ichi the Witch, Vol. 6](https://www.bookquiver.com/osamu-nishi/ichi-the-witch-vol-6) — 2026-12-31 - [Welcome to Demon School! Iruma-kun 23](https://www.bookquiver.com/osamu-nishi/welcome-to-demon-school-iruma-kun-23) — 2026-12-08 - [Welcome to Demon School! Iruma-kun: IruMafia Edition 6](https://www.bookquiver.com/osamu-nishi/welcome-to-demon-school-iruma-kun-irumafia-edition-6) — 2026-11-17 - [Welcome to Demon School! Iruma-kun 22](https://www.bookquiver.com/osamu-nishi/welcome-to-demon-school-iruma-kun-22) — 2026-10-06 - [Ichi the Witch, Vol. 4](https://www.bookquiver.com/osamu-nishi/ichi-the-witch-vol-4) — 2026-09-10 - [Welcome to Demon School! Iruma-kun: IruMafia Edition 5](https://www.bookquiver.com/osamu-nishi/welcome-to-demon-school-iruma-kun-irumafia-edition-5) — 2026-08-25 - [Welcome to Demon School! Iruma-kun 21](https://www.bookquiver.com/osamu-nishi/welcome-to-demon-school-iruma-kun-21) — 2026-08-04 - [Ichi the Witch, Vol. 3](https://www.bookquiver.com/osamu-nishi/ichi-the-witch-vol-3) — 2026-07-02 - [Welcome to Demon School! Iruma-kun 20](https://www.bookquiver.com/osamu-nishi/welcome-to-demon-school-iruma-kun-20) — 2026-06-02 - [Welcome to Demon School! Iruma-kun: IruMafia Edition 4](https://www.bookquiver.com/osamu-nishi/welcome-to-demon-school-iruma-kun-irumafia-edition-4) — 2026-05-19 - [Welcome to Demon School! Iruma-kun 19](https://www.bookquiver.com/osamu-nishi/welcome-to-demon-school-iruma-kun-19) — 2026-04-07 - [Ichi the Witch, Vol. 1](https://www.bookquiver.com/osamu-nishi/ichi-the-witch-vol-1) — 2026-03-12 - [Welcome to Demon School! Iruma-kun: IruMafia Edition 3](https://www.bookquiver.com/osamu-nishi/welcome-to-demon-school-iruma-kun-irumafia-edition-3) — 2026-02-17 - [Welcome to Demon School! Iruma-kun 18](https://www.bookquiver.com/osamu-nishi/welcome-to-demon-school-iruma-kun-18) — 2026-02-03 - [Welcome to Demon School! Iruma-kun 17](https://www.bookquiver.com/osamu-nishi/welcome-to-demon-school-iruma-kun-17) — 2025-12-02 - [Welcome to Demon School! Iruma-kun: IruMafia Edition 2](https://www.bookquiver.com/osamu-nishi/welcome-to-demon-school-iruma-kun-irumafia-edition-2) — 2025-11-11 - [Welcome to Demon School! Iruma-kun 16](https://www.bookquiver.com/osamu-nishi/welcome-to-demon-school-iruma-kun-16) — 2025-10-07 - [Welcome to Demon School! Iruma-kun: IruMafia Edition 1](https://www.bookquiver.com/osamu-nishi/welcome-to-demon-school-iruma-kun-irumafia-edition-1) — 2025-08-19 - [Welcome to Demon School! Iruma-kun 15](https://www.bookquiver.com/osamu-nishi/welcome-to-demon-school-iruma-kun-15) — 2025-08-05 - [Welcome to Demon School! Iruma-kun 14](https://www.bookquiver.com/osamu-nishi/welcome-to-demon-school-iruma-kun-14) — 2025-06-03 - [Welcome to Demon School! Iruma-kun 13](https://www.bookquiver.com/osamu-nishi/welcome-to-demon-school-iruma-kun-13) — 2025-04-01 - [Welcome to Demon School! Iruma-kun 12](https://www.bookquiver.com/osamu-nishi/welcome-to-demon-school-iruma-kun-12) — 2025-02-04 - [Welcome to Demon School! Iruma-kun 11](https://www.bookquiver.com/osamu-nishi/welcome-to-demon-school-iruma-kun-11) — 2024-12-03 - [Welcome to Demon School! Iruma-kun 10](https://www.bookquiver.com/osamu-nishi/welcome-to-demon-school-iruma-kun-10) — 2024-10-08 - [Welcome to Demon School! Iruma-kun 9](https://www.bookquiver.com/osamu-nishi/welcome-to-demon-school-iruma-kun-9) — 2024-08-13 - [Welcome to Demon School! Iruma-kun 8](https://www.bookquiver.com/osamu-nishi/welcome-to-demon-school-iruma-kun-8) — 2024-06-04 - [Welcome to Demon School! Iruma-kun 7](https://www.bookquiver.com/osamu-nishi/welcome-to-demon-school-iruma-kun-7) — 2024-04-02 - [Welcome to Demon School! Iruma-kun 6](https://www.bookquiver.com/osamu-nishi/welcome-to-demon-school-iruma-kun-6) — 2024-02-20 - [Welcome to Demon School! Iruma-kun 5](https://www.bookquiver.com/osamu-nishi/welcome-to-demon-school-iruma-kun-5) — 2023-12-26 - [Welcome to Demon School! Iruma-kun 4](https://www.bookquiver.com/osamu-nishi/welcome-to-demon-school-iruma-kun-4) — 2023-11-07 - [Welcome to Demon School! Iruma-kun 3](https://www.bookquiver.com/osamu-nishi/welcome-to-demon-school-iruma-kun-3) — 2023-08-15 - [Welcome to Demon School! Iruma-kun 2](https://www.bookquiver.com/osamu-nishi/welcome-to-demon-school-iruma-kun-2) — 2023-06-13 - [Welcome to Demon School! Iruma-kun 1](https://www.bookquiver.com/osamu-nishi/welcome-to-demon-school-iruma-kun-1) — 2023-05-02 - [Ichi the Witch, Vol. 5](https://www.bookquiver.com/osamu-nishi/ichi-the-witch-vol-5)