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Synopsis

Seven demon brothers—embodiments of the classic deadly sins—are notorious for their troublesome behavior across the Devildom. Despite their fearsome reputations, at the Royal Academy of Diavolo they become fixated on a single human transfer student who draws their unified affection. When separation stirs longing, the brothers resort to absurd schemes and playful disturbances to pass the time, often involving classmates and bystanders in their ongoing pranks and competitions. The series follows these spirited, comedic interactions while maintaining the brothers’ chaotic camaraderie and rivalry.