Why did Zhang Wansen jump off the tower?

In Twinkle, Twinkle, Twinkle, Twinkle, Twinkle, Twinkle, Twinkle, Twinkle, Twinkle, Twinkle, Twinkle, Twinkle, Twinkle, Twinkle, Twinkle, Twinkle, Twinkle, Twinkle, Twinkle, Twinkle, Twinkle, Twinkle, Twinkle, Twinkle, Twinkle, Twinkle, Twinkle, Twinkle

Twinkle, Twinkle, Twinkle, Twinkle, Twinkle, Twinkle, Twinkle, Twinkle, Twinkle, Twinkle, Twinkle, Twinkle, Twinkle, Twinkle, Twinkle, Twinkle, Twinkle, Twinkle, Twinkle, Twinkle, Twinkle, Twinkle, Twinkle, Twinkle, Twinkle, Twinkle, Twinkle, Twinkle, Twinkle

At first, the hostess thought that only by saving Zhang Wansen could she stay in this world and really change her destiny.

When she finally found out that Zhang Wansen was the key to the crossing door, and tried her best to prevent his death, she was surprised to find that her memory ten years ago was distorted. Lin Beixing, who returned to 21, had no idea why Zhang Wansen jumped off the tower after the college entrance examination. Later, Lin Beixing got along with Zhang Wansen, and she gradually knew that Zhang Wansen, who had been by her side, had liked herself for many years, and they had known each other since childhood.

The boyfriend I have always liked is not the boy who saved him in the fire, but Zhang Wansen who saved her. Lin Beixing slowly fell in love with Zhang Wansen, and the more she approached the day when Zhang Wansen jumped off the tower, the more she panicked. However, it's a pity that she didn't save the boy who worked so silently for her in the end.