[Yu Xu x Xia Changsheng]
"If I can live forever, then I will allow you to stay with me for the rest of my life."
"I'll stay with you even if I don't live forever."
Ps:
They are two very cute boys.
The title of the book and Xia Changsheng's name were thought of by my good friend.
A lot has been added to the original basis.
Intention: Immortality and immortality