what's worse then receiving an invitation of your ex's wedding? showing up dateless! thank god your best friend is there to save you. can you resist his charm while fake dating him? the story where Lee y/n and Kim taehyung is best friend from years. one day y/n received a invitation from his ex that he is getting married and y/n can't go there with out a boyfriend because she want to show her ex that she is happy with out his ex and moved on just like he did. so y/n want taehyung to be his boyfriend just for one week till his ex get married and want to regret him that what a gem he have lost.