Osamu Nishi manga in English
Osamu Nishi is credited on Ichi the Witch and Welcome to Demon School! Iruma-kun, with Shiro Usazaki. （西修）
Osamu Nishi's first English volume in our data is Welcome to Demon School! Iruma-kun Vol. 1, released May 2, 2023 by Kodansha USA. The most recent is Ichi the Witch Vol. 5 (Oct 6, 2026), for 27 volumes across 2 series. Right now 2 are still coming out in English.
Osamu Nishi manga in order
By the date each series' first volume came out in English. Japan counts come from Rui's Japanese release data.
| Series | English Vol. 1 | In English | In Japan | Status |
|---|---|---|---|---|
| Welcome to Demon School! Iruma-kun · Kodansha USA | May 2023 | Vol. 22 | Vol. 51 | Ongoing in English |
| Ichi the Witch · Viz Media | Feb 2026 | Vol. 5 | Vol. 10 | Ongoing in English |
Upcoming Osamu Nishi volumes in English
Every announced English volume, by date.
| Date | Volume |
|---|---|
| Dec 1, 2026 | Ichi the Witch Vol. 6 |
| Dec 6, 2026 | Welcome to Demon School! Iruma-kun Vol. 23 |
| Feb 2, 2027 | Welcome to Demon School! Iruma-kun Vol. 24 |
| Apr 20, 2027 | Welcome to Demon School! Iruma-kun Vol. 25 |
| Jun 15, 2027 | Welcome to Demon School! Iruma-kun Vol. 26 |
All Osamu Nishi series
Ichi the WitchEnglish is at Vol. 5 · Viz Media Vol. 6 · Dec 1, 2026
Announced
Welcome to Demon School! Iruma-kunEnglish is at Vol. 22 · Kodansha USA Vol. 23 · Dec 6, 2026
Announced
Osamu Nishi's manga in Japan
Rui's Japanese catalog lists 9 series by Osamu Nishi, 2 of them linked to the English edition we track. Titles are shown in Japanese and link to Rui's Japanese pages. A dash means we haven't matched an English edition here — some of these do have one under a different title.
| Title (Japanese) | Volumes | From | English edition here |
|---|---|---|---|
| 魔入りました!入間くん | 51 | 2017 | Welcome to Demon School! Iruma-kun |
| ホテルヘルヘイム | 2 | 2019 | — |
| 魔界の主役は我々だ! | 22 (complete) | 2020 | — |
| 魔入りました!入間くん公式アンソロジー 放課後の!入間くん | 2 | 2021 | — |
| 魔入りました!入間くん if Episode of 魔フィア | 9 | 2023 | — |
| 魔入りました!入間くん外伝 | 1 | 2024 | — |
| 魔入りました!入間くん外伝 ―カルエゴ編― | 1 | 2024 | — |
| 魔男のイチ | 11 | 2025 | Ichi the Witch |
| 魔入りました!入間くん 僕同盟のゲーム道 | 1 | 2026 | — |
Works with
Shiro Usazaki (Ichi the Witch)
Osamu Nishi FAQ
What manga has Osamu Nishi made?
2 Osamu Nishi series have English editions: Ichi the Witch and Welcome to Demon School! Iruma-kun. In Japan, Rui's catalog lists 9 series by Osamu Nishi, including 魔界の主役は我々だ! (22 volumes), 魔入りました!入間くん if Episode of 魔フィア (9 volumes), ホテルヘルヘイム (2 volumes).
In what order did Osamu Nishi's manga come out in English?
Welcome to Demon School! Iruma-kun (2023), Ichi the Witch (2026). Each series stands on its own unless its page says otherwise.
When is the next Osamu Nishi manga coming out in English?
Ichi the Witch Vol. 6 is scheduled for Dec 1, 2026. After that: Welcome to Demon School! Iruma-kun Vol. 23 (Dec 6, 2026), Welcome to Demon School! Iruma-kun Vol. 24 (Feb 2, 2027), Welcome to Demon School! Iruma-kun Vol. 25 (Apr 20, 2027).
How many Osamu Nishi manga volumes are out in English?
27 volumes so far across 2 series, published by Viz Media, Kodansha USA. The most recent is Ichi the Witch Vol. 5 (Oct 6, 2026).
Who does Osamu Nishi work with?
Shiro Usazaki (Ichi the Witch). Series pages list the full credits from the English edition.
More creators from Viz Media & Kodansha USA
Eiichiro Oda · Clamp · Gosho Aoyama · Hiro Mashima · Kenjiro Hata · Rumiko Takahashi · Ken Akamatsu · Yusuke Murata · Riichiro Inagaki · Hajime Isayama
Viz Media release dates · Kodansha USA release dates · This month's English manga releases · All series · How we predict