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Dragon Ball Yamcha Gaiden cover
"The Case of Being Reincarnated as Yamcha"
Kanji 転生したらヤムチャだった件
Rōmaji Yamcha Datta Ken
Chapter Info
Author(s) Dragon Garow Lee
Next Chapter 2 (DBSS)
Japanese December 12, 2016‎
Character debut(s)
Technique debut(s)
None in this chapter
Tool debut(s)
None in this chapter

"The Case of Being Reincarnated as Yamcha" (転生したらヤムチャだった件, Yamcha Datta Ken) is the first chapter of Dragon Ball Side Story: The Case of Being Reincarnated as Yamcha.


A young man is walking down the street with his friend, talking about the Dragon Ball Live Attraction at the UMJ — "Dragon Ball The Real". They lament the lack of any girls to bring to the event, and the young man mentions he came in first in a Dragon Ball Z Dokkan Battle tournament the other day, using Yamcha. His friend mentions a girl with a short skirt, and the young man goes to check her out, only to fall down the stairs after losing his balance, losing consciousness.

When the young man wakes up, he quickly discovers that he has become Yamcha. At first believing he's at the Live Attraction, he remembers the accident and realizes that lots of stories have this same set-up, and he's been reborn as Yamcha. He immediately begins to lament being reborn as Yamcha and not Son Gokū or Vegeta. Seeing Oolong, he then sees Bulma, and realizes how cute she is. Remembering that Bulma and Yamcha become a couple after this, the reborn Yamcha decides to make sure that he stays true to Bulma, so they don't break up in the future. Yamcha tries to fit in as best he can, going with the flow of the 'super realistic anime'.

With the Pilaf debacle over, Bulma makes plans to go back to the Western Capital, and they both turn down Gokū's offer to gather the Dragon Balls again next year. Throwing a Hoi Poi Capsule, Yamcha tells Gokū he'll see him at the Tenkaichi Budōkai next year. However, remembering he is due to die with the arrival of the Saiyans, he decides to go with Gokū to train with Muten Rōshi and become the strongest Earthling. He tells Bulma he can't come with her, but implores her to wait for him while he becomes stronger. Hanging onto Gokū, the reborn Yamcha sets off with him into his own adventure in the Dragon World.

Time passes by, and the reborn Yamcha confronts the Saiyans with his friends. With the Saibaimen against him, Yamcha tells Vegeta that he'll fight all six. Despite Kulilin's warnings, and Vegeta's mocking, the Saibaimen attack, but Yamcha holds his own against all six. On Vegeta's orders, they all jump-rush Yamcha, proceeding to blow themselves to smithereens. Yamcha, however, survives handily, impressing Piccolo and the others. He remembers how he went to visit the Saichōrō, and that knowing the story in advance is a huge advantage.