I Picked Up the Demon Lord (volume)

is the first volume of the Beelzebub manga.

Synopsis
One day, Tatsumi Oga, a delinquent with a reputation for being the most dangerous, picks up a baby from a man that split in two. This baby is the son of the king of the demon world, who has been sent to destroy mankind! What is the turbulent life of Oga, who is destined to raise this child?

Contents

 * 001. I Picked Up the Demon Lord
 * 002. I Became a Child Carrying Gang Leader
 * 003. Strong Evil Damn Rascal
 * 004. FLY!!
 * 005. Planned to Become the Mother
 * 006. That
 * 007. Stop Fighting