you and Yim siwan used to date but broke up a while back. You both are famous and WERE everyones favourite singer actor couple whatever u both miss eachother but never made a effort to see eachother and now Yim siwan has a gf and ur just single then a very.. Rich! Business man comes to ur house with Yim siwan offering u the chance of a lifetime if u two spend a week together like a couple but the catch is u two cant catch feelings for eachother and his gf agreeded to it trusting Yim siwan even tho he had attachment issues soooo you choose next Yim siwan: So only for a week right? That seems easy I love my girlfriend to much u two are at his big mansion and nostalgia hits you