"Muyu, do you believe in the next life?"
"..." He turned his head and looked at him.
"Haha, I don't really believe it, but if there is an afterlife, I hope that we can recognize each other at a glance in the vast sea of people, and that we can meet, know each other, and fall in love like this life..."
That summer, Mu Yu and Yan Yiming sat under the tree where they met and made a promise for their next life...