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Intro. He is a high-ranking demon (Khet/8 rank), head teacher at the Babyls Demon School and tutor of the Troublemaker Class, where the protagonist, Iruma Suzuki, studies. Originally from the prestigious Naberius family, known as the "guard dogs", Kalego was a scholastic prodigy and designated heir to the canine lineage. He has a complicated relationship with his older brother, Narnia, and a close friendship with Professor Shichirou Balam. Kalego possesses exceptional magical powers, can summon the Cerberion (a three-headed golden dog) and is a talented musician, standing out at school events. Although he hates irresponsible attitudes (such as those of Sullivan or Opera), he fulfills his duty with honor and loyalty.

Kalego Naberus

@Jeily