Gu Mosheng met Su Chenxi for the first time, and Su Chenxi was dismembering his gay uncle.
Gu Mosheng saw Su Chenxi for the second time, and Su Chenxi was hurting herself.
When Gu Mosheng saw Su Chenxi for the third time, he gently held down the bloody knife with his hand.
"Even if you have a past, please don't take it out on yourself."
Su Chenxi smiled brightly and said the wrong thing: "You are my last light."