Eiichir? Maruo (nicknamed "Ei-chan" for his grades being straight "A") is an honor student, bookworm, and is not interested in anything other than studying. In order to solve his problem of lacking physical strength, he enrolled a tennis school and soon found the fascinating side of tennis. Being a tennis newbie lacking physical strength, he supplement his shortcomings with his excellent observing and analyzing skills.
Bulma is a girl in search of the mystical dragonballs that when brought together grant any wish. In her search she bumps into the owner of one of these balls, a strange boy named Goku. The two then set off together, Bulma in search of the dragonballs and Goku on a quest to become stronger.
Goku is back with his new son, Gohan, but just when things are getting settled down, the adventures continue. Whether he is facing enemies such as Frieza, Cell, or Buu, Goku is proven to be an elite of his own and discovers his race, Saiyan and is able to reach Super Saiyan 3 form. He meets many new people, gaining allies and well as enemies, as he still finds time to raise a family and be the happy-go-lucky Saiyan he is.