1 Work by Duoderbas1
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I have become the old brother to the missing demon king by Duoderbas1
Fandoms: 魔入りました! 入間くん | Mairimashita! Iruma-kun | Welcome to Demon School! Iruma-kun (Manga), 魔入りました! 入間くん | Mairimashita! Iruma-kun | Welcome to Demon School! Iruma-kun (Anime)
18 Aug 2025
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Summary
After the Deviculum, Iruma fell irritated. Why, you ask? Well, he has been thinking about why he wasn't born as a demon. Why was he born as a human and have horrible parents? He may not say it out loud, but he hated his parents, and his hatred increased as he saw the way his demon grandpa, teacher, and friend treated him. He also noticed the way his grandpa acts when the name of Demon King Derkila comes up. Iruma can tell that his grandpa cares and is worried about him. He wants to help, but how?
Alikred, who was listening to Iruma's concerns, thinks that the time has come to tell Iruma a secret he has been keeping to himself.
Baby Derkila and older brother Iruma.
