Yunho stays the night and brings an air mattress with him. Mischief ensues. 

Yang Eun Mi has always mourned her Chinese-Korean heritage. But when her class gets an exchange student- from China - she is happy and praises her ancestors. Only problem is... Eun Mi has a Taiwanese dialect, while Luhan is from Beijing. It doesn't matter to Eun Mi. Because she believes they are destined. She believes in fate.   

Kyungsoo's life is going by routinely and normally- until a letter shows up on his desk from a secret admirer.

Jaejoong wakes up in the middle of the night because he's cold.