Oh Sehun likes to drink black coffee. Seo Joohyun prefers green tea. She becomes his secretary, and tries to change his habits. He becomes her boss, and he doesn't mind her bossiness one bit.

Luhan saves Im Yoona many times, but she refuses to believes that she will not be able to live without her Superman (otherwise known as her Powerpuff Girl).  

He may have trained later, debuted later, and was younger than her, but Kim Jongin still wished that Im Yoona saw him more than a younger brother and junior.