Fly over the sea

Ji Chi, the young master of a gang, was betrayed and murdered by his fiancé. He was then transmigrated 30 years in the past into the body of a 19-year-old. Here, the Alpha was saved by a kindhearted and gentle Beta during a time of desperation. However, the person who he thought was an angelic savior, had the exact same face as the murderer who killed him in his previous life…
Merciless, younger, bad boy Alpha X Intelligent, soft boy, older, doctor Beta