I am the boss of Sakaki

Do you think all bug-catching boys are named Sakaki? Not everyone can fight a mythical beast with a giant bee! Travel through time and space to become the boss of Sakaki, and step by step from a dying boy in the Viridian Forest to the throne of the king of the underground, create the Rainbow Rocket Team, and conquer the world! This time, there is no Sakaki of the earth who was defeated by a few children, only the king of the underworld who dominates everything! ...