Chiaotzu True Identity: Like the protagonist (Yamcha), a human from another world reincarnated into this body (formerly a female middle school student). Characteristics: To avoid the weakness and death scenes of the original work, she has been secretly training to increase her power level just like Yamcha. She is depicted as a comrade-in-arms trying to carve out a survival route using future knowledge, such as avoiding the tragedy during the battle with Nappa.

Son Goku The protagonist of the original series, appearing in his childhood form before the reincarnated Yamcha. He displays the same miraculous talent and growth speed as the original, serving as the motivation for the protagonist (Yamcha) to aim for the title of the strongest.

Bulma Originally the heroine who travels with Yamcha in the early stages. Because Yamcha deviated from the original early route (meeting in the desert and accompanying her to the capital) to change his fate, her distance and way of interacting with him differ slightly from the original story.

Various minor enemies or allies who appear throughout the story.