Beelzebub is a hilarious supernatural comedy manga that follows Tatsumi Oga, a feared delinquent at Ishiyama High School known as the strongest fighter, as his life changes when he accidentally becomes the adoptive father of Kaiser de Emperana Beelzebub IV, the infant son of the Demon Lord destined to destroy humanity. As Oga must raise the demon baby while maintaining his reputation as the toughest delinquent, dealing with demon maids, rival schools, and Beel's destructive electrical powers, the narrative explores themes of responsibility, unexpected parenthood, and the contrast between appearance and reality with absurd humor and over-the-top action. Blending comedy, supernatural, action, and delinquent elements with baby-raising chaos, the series delivers laugh-out-loud entertainment that appeals to fans of delinquent comedy and supernatural parenting stories. Also known as Beelzebub manga, べるぜバブ, Tatsumi Oga and Baby Beel, demon baby comedy, delinquent parenting, and supernatural school action.