They Are All Reborn, but I Am a Mind Reader

All the noble ladies in the capital were reborn. They knew that the prince would be defeated and killed in three years, so they avoided him. I, a concubine who was pushed out as a scapegoat, can hear everyone's thoughts. The prince thought he had a chance to win, and his yandere cousin secretly played the chess game. However, everyone remembers different versions of the truth about my death in my previous life. In this life, I just want to know - who killed me?