Wherein Park Sunghoon and Eun Haeun share one thing in common. Their crazy ex, except for one, she's his ex girlfriend, and for the other, she's her ex best friend. When Sunghoon offers Haeun a beneficial deal for the both of them, she is left pondering on how this would all play out. Would Sunghoon fall for Haeun during this deal? Or would he break her heart? Perhaps Haeun will end up falling for him before she even realises, or maybe it's the other way around. park sunghoon x oc enhypen fake dating romance - hooonfused BOOK 1 OF 3 | THE MISTAKE SERIES | PUBLISH DATE - 14|10|2023 ENDING DATE -