When she was four years old, she was innocent and wild, always playing pranks, and was a troublesome child.
When he was four years old, he was depressed and worried. He was born with the ability to read other people's thoughts, which allowed him to see through the situation at a young age and avoid everything in order to seek his own inner peace.
She met him when she was four years old, and she was destined to protect him until death. This was a family promise, but it was also a shackle that imprisoned her.
After witnessing a crime with her own eyes, she and he each dressed up as each other's gender and entered this nationally famous university. . . . . . .