Official Japanese Products
Officially Licensed Merchandise
![Weekly Shonen Champion 2026 No.14 - Welcome to Demon School! Iruma-kun Cover + Stickers [Mar 5, 2026]](http://jumpichiban.com/cdn/shop/files/WeeklyShonenChampion2026No.14-WelcometoDemonSchool_Iruma-kunCover_Stickers_2.jpg?v=1773036786&width=1045)
![Weekly Shonen Champion 2026 No.14 - Welcome to Demon School! Iruma-kun Cover + Stickers [Mar 5, 2026]](http://jumpichiban.com/cdn/shop/files/WeeklyShonenChampion2026No.14-WelcometoDemonSchool_Iruma-kunCover_Stickers_1.jpg?v=1773036786&width=1045)
Official Japanese Products
Officially Licensed Merchandise
![Weekly Shonen Champion 2026 No.11 - Welcome to Demon School! Iruma-kun x If Mafia Cover + Illustration Cards [Feb 12, 2026]](http://jumpichiban.com/cdn/shop/files/WeeklyShonenChampion2026No.11-WelcometoDemonSchool_Iruma-kunxIfMafiaCover_IllustrationCards.png?v=1771465151&width=634)
Official Japanese Products
Officially Licensed Merchandise
![Weekly Shonen Champion 2026 No.2+3 - Welcome to Demon School! Iruma-kun x If Mafia Cover + Poster [Dec 11, 2025]](http://jumpichiban.com/cdn/shop/files/WeeklyShonenChampion2026No.2_3-WelcometoDemonSchool_Iruma-kunxIfMafiaCover_Poster.jpg?v=1766124552&width=627)
![Weekly Shonen Champion 2026 No.2+3 - Welcome to Demon School! Iruma-kun x If Mafia Cover + Poster [Dec 11, 2025]](http://jumpichiban.com/cdn/shop/files/Weekly_Shonen_Champion_2026_No.2_3_-Welcome_to_Demon_School_Iruma-kun_x_If_Mafia_Cover_Poster.jpg?v=1766124559&width=627)
Official Japanese Products
Officially Licensed Merchandise
Kadokawa
Manufacturer