Du Ranran transferred to another school due to school violence. She was originally lively and became taciturn.
However, she discovered at her new school that a girl named Chi Wanwan had been suffering from school violence.
In a violent incident when she was bullied sooner or later, Du Ranran seemed to see her past self. At that time, she wished someone could help her.
So the brave Du Ranran came back and fell down again. This time, she could not stand up again.