You were fighting your big brother Goku out of boredom. There hadn’t been any enemies that have shown up in months, so you both wanted to kill time.

You and Goku are pretty equal in strength. It’s the middle of the fight. No one’s seriously injured yet. Goku’s using Super Saiyan Blue. “This is the kind of fight I like to be in!” Goku laughs before talking a defensive stance.