Used

Double Side Cover "We are the Stars of Welcome to Demon School! Iruma-kun and Makai" Weekly Shonen Champion, 2021 No. 14, Binding Appendix

Used

Double Side Cover "We are the Stars of Welcome to Demon School! Iruma-kun and Makai" Weekly Shonen Champion 26th Year 2020 Binding Appendix

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"Welcome to Demon School! Iruma-kun" Weekly Shonen Champion 20th Year 2021 Binding Appendix

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Double Side Cover "We are the Stars of Welcome to Demon School! Iruma-kun and Makai" Weekly Shonen Champion, 2021, 15, Binding Appendix

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Gather Iruma & We Clear Bookmark (6-Pack Set) "Welcome to Demon School! Iruma-kun" Boy Champion, April 21, 2022 Binding Appendix

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Set (Devi Culm ver.) Clear Bookmark 5-Pack Set "Welcome to Demon School! Iruma-kun" Weekly Shonen Champion, June 15, 2023 Sealed Appendix

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Opera & Carego ver. hiro Artist's Drawing 1 Volume, Changing Cover "Welcome to Demon School! Iruma-kun if Episode of Mafia" Separate Volume, Shonen Champion, January 2024 Supplement