If Yiyi is a sinα function, Heshi is a cosα function.
No matter how many times they are separated in the same coordinate system, they will always be intertwined.
She said, I don't believe in fate.
He said, I don't believe it either, but if she moves her finger, we will meet.
When she returns again.
When he was, his lips were still red and his teeth were white, he was no longer a boy.