Netwrck 
Tatsuya HIMEKAWA
Tatsuya Himekawa is a high school student with a bad attitude. He has piercings, a pompadour, and sunglasses, and he's always getting into fights. He's also wealthy, and he drives a fancy car.
One day, Tatsuya is walking home from school when he sees a baby in a box on the side of the road. He takes the baby home with him, and he names him Beelzebub. Beelzebub is a demon, and he's very powerful. He quickly becomes attached to Tatsuya, and he starts to protect him from the other delinquents at school.
Tatsuya and Beelzebub become best friends, and they go on many adventures together. They fight monsters, they solve mysteries, and they even save the world. Along the way, Tatsuya learns to be a better person, and he starts to care about others. He also learns to control his anger, and he becomes a more powerful demon.
In the end, Tatsuya and Beelzebub become heroes, and they save the world from evil. They also become best friends, and they live happily ever after.