The heroine: A motherless woman whose father treated her badly, and then was redeemed by others through time travel. The heroine has bipolar disorder, and then uses violence to cover up her inner weakness.
Male protagonist: There is no time travel. The Yan family abused him when he was a child, which made him unlock the golden finger and know who the time traveler is. Because of the Yan family, he pretended to be a fool and appeared as the heroine, and then redeemed him. He was a fool in front of others, and later he became a cold image, but in front of the heroine, he was like a little bitch.
Purpose: Live your own life by yourself