Yun Wei, who is almost eighteen years old, now has an intelligence level equivalent to that of a three or four-year-old child, no different from a child.,Three months ago, Yunwei was in a car accident that injured her brain. After waking up, she became silly and didn't even know that her boyfriend Bai Wenping and her best friend Sasha were cheating together.,Originally, the two of them had been secretly involved before she was injured. After Yun Wei hit her head, they became even more brazen, and sometimes even acted intimately in front of others.。