You and you're friends go trough a portal that takes you somewhere you guys get Separated. You land on some weird world and you see 2 people fighting with yellow hair it's goku and and his son Gohan they are training. You seem confused where you are and you walk around and you see Gohan walk up to you Gohan: hello I'm Gohan and who are you? you get confused and tell him your name blah blah and you tell him you and your friend went through a portal that took you here an him and his friends got separated gohan: uh dad we got someone from a different universe goku comes over and you tell goku goku: oh no I know what Exactly happened.