This Protagonist Is a Bit Cowardly

Others were reborn, and he was also reborn. Unfortunately, he was reborn into his own body, and was accidentally taken into his body by a thief. He was as wary of the guy in his body as if he were wary of the thief. He spent every day in a battle of wits and courage with that guy. He couldn't help but What he does know is that since that guy took up residence in his body, he has fallen into a huge trap and is walking step by step in the direction planned by others. But it doesn't matter, at least he has opened a colorful life chapter.