From Rebirth to Tycoon [Completed]

A dirt-poor chaebol's grandson. I was hit and killed by that delinquent's car. "Oh, hyung also hates that bad guy's family?" This place is definitely somewhere between this world and the next. Suddenly, a clear, young voice rang out. "How about it? Want to switch with me?" The little boy whispered secretly. "Hyung can't refuse." At the same time, a white light burst forth, making it impossible to think any further. When I opened my eyes, I had become a little boy. Could there be anything more absurd than this? [From Rebirth to Chaebol]