I Ended Up Training the Villain Too Well Too Early

Summary

Read manhwa I Ended Up Training the Villain Too Well Too Early / On their 10th birthday, a child regains memories of a past life and realizes their family is destined to be destroyed by a future villain. To prevent this, they decide to raise the neglected prince, the future villain, with care and guidance. However, their efforts work too well, leading to unintended consequences.