Also known as: Mairimashita! Iruma-kun
Life takes a drastically unexpected turn for 14-year-old Iruma Suzuki when his remarkably irresponsible and self-serving parents sell him to a high-ranking demon named Sullivan in exchange for money. Surprisingly, rather than being eaten, Iruma is adopted by the affectionate demon lord as his doting grandson and whisked away to the Netherworld. There, he is enrolled in Babylulls Demon School—an elite academy where Sullivan serves as the headmaster. To keep his human identity a secret from his terrifying classmates and teachers, Iruma must navigate a bizarre academic life where standing out is dangerous, yet somehow inevitable. Thanks to a series of hilarious misunderstandings, miraculous coincidences, and his own inherent compulsive need to help others, Iruma inadvertently performs legendary feats that cause him to steadily rise through the school's social and academic ranks. Welcome To Demon School! Iruma-kun is a vibrant, heartwarming supernatural comedy that flips traditional dark fantasy tropes on their head. It blends high-energy slapstick humor with endearing character growth as Iruma finds genuine friendship, loyalty, and a true sense of belonging among demons for the very first time.
Fourteen-year-old human Iruma Suzuki has spent his entire life being overworked and heavily exploited by his irresponsible, neglectful parents. Just when he thinks things couldn't get any worse, his parents sell him to a high-ranking demon named Sullivan. However, instead of being eaten, Iruma finds himself whisked away to the Netherworld and adopted as a doted-upon grandson. Sullivan enrolls him in the prestigious Babyls School for Demons, forcing Iruma to desperately conceal his human identity to avoid becoming lunch. Despite his best efforts to keep a low profile, Iruma's extreme survival instincts—honed from his harsh upbringing—and Sullivan's eccentricities continually thrust him into the spotlight, leading him to befriend elite demon students like Alice Asmodeus and Clara Valac as he navigates the chaotic ups and downs of academic life in the demon world.

Fourteen-year-old human Iruma Suzuki is adopted by the demon lord Sullivan and enrolled in Babyls Demon School, forced to adapt to demonic society while concealing his human origins.

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