When Hoshi persuades Seungkwan to try a mysterious potion at a festival magic shop much to Dokyeom's distaste , neither of them expects anything to happen. But the next morning , Seungkwan wakes up in a completely transformed body - with long hair and a feminine appearance , while still being the same Seungkwan in every other way. This unexpected magical potion turns their lives upside down . None of them could have imagined the feelings , chaos and unexpected discoveries that would follow . When Seungkwan thought it all ends with the antidote , his heart shows him that this was only a realization for something which had already existed between them and waiting to bloom , for a long journey ahead . Come and find out the magic in their hearts .

What if the Blue VCR we know initially happened in Seungkwan's dream ? Seungkwan was already going crazy about being a girl , and Dokyeom had to be his lovely boyfriend in the dream . When he gets a chance to bring it to reality , will Seungkwan seize the opportunity ?