Ep 1. I Picked up the Demon

Oga Tatsumi is a high school student notorious for his delinquent behavior and strength. During a scuffle with a group of delinquents, he discovers a baby floating down the river. As he pulls the baby out of the water, he suddenly sees the baby transform into a demon.

Shocked and confused, Oga quickly realizes that this baby demon is no ordinary being, as it possesses incredible strength and power beyond anything he's ever seen before. He soon learns that this demon baby was sent to Earth by his father, the demon king, with the intention of destroying humanity. However, the demon baby takes a liking to Oga and refuses to leave his side, even after other demons come looking for him.

As Oga struggles to take care of the demon baby and keep him safe from harm, he also becomes embroiled in a battle between demons and humans, as various factions fight for control over the fate of the world. Along with the demon baby, Oga also meets other powerful demons and humans who possess incredible abilities, each with their own motives and agendas.

In the first episode, titled "I Picked up the Demon," Oga brings the demon baby, whom he calls Beelzebub, to his home and introduces him to his family. His mother is horrified by the sight of the demon, but his younger sister, who has a fascination with the occult, is thrilled and takes an immediate liking to Beelzebub.

Meanwhile, Oga's classmates and fellow delinquents are also amazed by the demon baby's presence, as they witness his incredible strength and ability to shoot electricity from his body. Oga tries to keep Beelzebub's true identity a secret, but it soon becomes apparent that there are others who are aware of his existence and will stop at nothing to take him away from Oga.

As the episode progresses, Oga finds himself in several intense battles with other demons who come looking for Beelzebub. He also learns more about the demon baby's true nature and the dangers that come with it, as he realizes that Beelzebub is not just a cute and harmless infant, but a powerful being with the potential to destroy the world.

Despite the challenges and danger that come with taking care of Beelzebub, Oga finds himself becoming attached to the demon baby and committed to his protection. He also discovers that there is more to the demon world than meets the eye, as he uncovers secrets and conspiracies that threaten both humans and demons alike.

Overall, "I Picked up the Demon" sets the stage for an action-packed and thrilling series, full of supernatural battles and complex relationships between demons and humans. As Oga and Beelzebub navigate the world and the dangers that come with it, they also learn more about themselves and the bonds that can form between two unlikely companions.