God gave her excellent potential, but implanted a "devil" in her heart - masochism. The "devil" was so powerful that she had to give up a lover who could sacrifice his life for her, and chose a boyfriend who was stronger than the "devil". Under her boyfriend's training, the "devil" gradually calmed down, but did not completely disappear. When her boyfriend relaxed his vigilance a little, he would come out to get excited and make trouble. This article contains SP plot, please read with caution.