Is Welcome to Demon School! Iruma-kun Finished? No — Still Ongoing, 51 Volumes
No — Welcome to Demon School! Iruma-kun is not finished yet (still ongoing). 51 volumes are out in Japan; the latest came out in October 2026.
Everything below reflects the Japanese edition — the source of truth that runs months or years ahead of English releases — computed from official publication records.
Volumes in Japan: 51 (latest: 魔入りました！入間くん 51, 2026-10-07)
Next volume in Japan: not yet announced in Japan.
Status: No — Welcome to Demon School! Iruma-kun is not finished yet (still ongoing). 51 volumes are out in Japan; the latest came out in October 2026.
Serialized since: 2017
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