If RI-ON succeeds in their plan, both Rikyu and Earth will be destroyed. Reiji, finally finding something worth sticking with, must train with Chibi and enter the to win the stone and protect both worlds from certain doom.

Reiji soon discovers that Dragon Drive is more than just a game. He and his friends are transported to a parallel world called . They learn that a shadowy organization called RI-ON is using the game to find children to act as soldiers and to obtain the Jinryuuseki stone , a powerful artifact that can control all dragons.

The story of (ドラゴンドライブ) follows Reiji Ozora , a lazy junior high student who has a habit of quitting everything he starts. To help him find a passion, his childhood friend Maiko Yukino introduces him to an underground virtual reality game called Dragon Drive . In this game, players are assigned a virtual dragon partner based on their personality to battle others in a digital city. The Legend of Chibi

When Reiji joins, he is assigned a tiny, seemingly weak dragon he names (Chibisuke). While Chibi appears to be the "weakest" dragon with unknown stats, it is later revealed that he is actually Senkoukura , the rarest and most powerful legendary dragon in existence. The Battle for Rikyu