Blprisoner

Rheineck's parents died when he was young, and he has a sister who is two years younger. After their parents died, the two were adopted by a kind-hearted grandfather they met. Rheineck is determined to solve the mystery of his parents' death. Nine years later, he entered college and met someone he fell in love with at first sight, only to find that he was his own enemy who killed his mother and father. At this time, how should he face his love? Will the two become enemies or lovers?