Be a Bad Guy!

After a traumatic past with her ex-boyfriend, Suyeon had developed a taste for bad boys. Due to this, she feels a little dissatisfied with her current boyfriend, despite the fact that they're doing well together. But then one day, Suyeon's type, the ghostly embodiment of the ultimate 'bad boy' possesses her boyfriend's body. Must this curse really be lifted?

(Source: MU)