Jaebeoljim Cheonjae Goemul

The year is 1993, and everything begins again—with his memories intact. The murdered chaebol heir, Jo Jin-Hu, awakens after possessing the body of Cha Dae-U, an employee at a securities firm. With perfect memory and the knowledge of every hidden truth, he knows exactly who killed him and stole his company. This time… he'll make every last one of them pay.

(Source: Naver translated)