At an extravagant hotel, a masked ball is held full of celebrities and one of them is Moonbyul who came with her members of Mamamoo. But what she doesn't know is that the members of BTS are also invited. What would happen when their identities are revealed? When love is at stake would they risk losing those who are close to them or are they willing to do everything to get the girl? Would it result in a happy ending or would it only lead to pain and drama? Who would you choose if you had a choice? Is a bad boy your type or is the perfect gentleman yours? A story where you get the choice at the end to choose who you really want to be the leading man. *First single storybook to be released and can't say how happy I am.