I Want to Date My Drill Instructor

Bai Jingjun discovered that she had transmigrated into a brainless Mary Sue novel she'd been following. She was still the villainess who would lose her family and be tormented by the heroine until she was neither human nor ghost, unable to live or die. To avoid such a tragic ending, she tried every way she could to set off a butterfly effect. But in the end, the butterfly effect led to the heroine holding a knife to her neck with a radiant smile. "Instructor, are you going to marry me or not?" "…"