My good brother finally made a serious friend, but... It was a little too good!
Every encounter and every contact is a game set by each other to get closer to the other.
Lu Zhao: I will work hard every step of the way to make you my subordinate.
Lin Ran: Be courteous first and then fight. I am willing to become your subordinate.
Lu Cheng:...?
Concept: A two-way love affair between sister and brother