Everything was so right that it went wrong. Her past was ruined thanks to his mistakes and she wants to make it right by doing him wrong. She changed for the better but he made it

If one thing is illegal, it's his whole existence on Earth and how she became his girlfriend is a mystery itself. But of course, it's not easy to be by his side and hiding the fact that they are dating is a real challenge. What can she possibly do to dodge the haters without him knowing?

Kim Hani is a devil in disguise with a horrible hobby she called 'catch and throw' where she catches boys who are timid and shy, mess up their feelings and throw them back in the lake, breaking their hearts. What she didn't expect to know is that all her devil deeds came with a payment of a little game Kim Taehyung suggests.