Waiting for You to Love Me, Waiting for Me to Give Up

Four years ago, in everyone's eyes, she and he were destined to be together, but suddenly one day she disappeared, and no one knew the reason. Four years later, she reunited with him at the school celebration, but she avoided him... The day he received her wedding invitation, he laughed and cried while looking at it. Everyone said he was crazy. It turns out that some people appear just to accompany you for a while...