I Am the Uncrowned Queen in One Piece

Gu Zian traveled through time and became Ace's sister. She kept working hard and awakened the overlord color at birth. She lived with Garp at the Navy Headquarters until she was twelve years old. When she was a child, she was often taken care of by the three generals (the relationship with the three generals is ambiguous). Because she killed too many people in her previous life, the evil spirit in her body gave birth to a spiritual wisdom, which stayed with her. She keeps getting stronger just to give Ace more chances to live on. She also has some ambiguities with Marco, Doflamingo, and Red Hair...