Gu Xiaomeng was reborn with the memories of his previous life, but Li Ningyu did not recover her past life memories after rebirth. By a coincidence, Li Ningyu recovered her memory and stayed with Gu Xiaomeng until they grew old.
In the previous life, you deceived me into being "ignorant" and conveyed your love to me with a song called "Accidental". In this life, I will give it to you, my most beloved person, my Sister Yu.
Intention: To erase regrets for oneself.