Join Frieza's Legion at the Start

When I woke up, I became a Saiyan? ! Hey, Vegeta? Why are you looking at me like that? Why is there a burnt spot on your forehead? Super Saiyan God? What does that have to do with me? I want to see which one is stronger, Super Four or the God of Destruction! And take the road no one has traveled! Setting of this book: The male protagonist undergoes a super fourth-level transformation. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.