A Dragon Ball fan's greatest dream is getting to live in the Dragon Ball universe and fight alongside Goku and his friends! One particular fan is in for a rude awakening when he suddenly dies and gets reincarnated as everyone's favorite punching bag, Yamcha!

A Japanese high school student is on his way to a Dragon Ball event and makes a detour to hit on a cute girl. Unfortunately, he meets with an unfortunate and fatal accident before he reaches her and, to his great surprise, wakes up in the Dragon Ball universe as Yamcha! Being a Dragon Ball fan, he knows exactly what misery awaits him as Yamcha, so he takes matters into his own hands and vows to make Yamcha the strongest Dragon Ball character ever!