There are many ways for a student to bring their grades up. Befriending a stranger wandering through your mind is not one of them.                                                                  

Behind a face painted with thick layers of comedy lies the bare soul of a man with a hole in his chest. Laughter is not equivalent to joy and - of all people - Mr Grimaldi was the one to teach me that.    

The moment Zhang Yixing lays eyes on Boyun, he knows she's the one. But the thing is... Boyun is eighty-four years old.