The ability to seize a body only once in a lifetime can ignore the opponent's powerful soul when using the ability, forcibly obliterating it or merging with the opponent's soul using one's own as the main body, and the appearance has a chance to change.
A person with this ability traveled through time and became Son Goku in Dragon Ball. He has only one goal: Vegetto of Super Saiyan IV.
This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.