For Hamin, being born into a notorious mob family was a curse he never asked for. After years of struggle, he finally managed to cut ties with his dark past, enrolling in university and living the quiet, ordinary life he always dreamed of. But the shadows of the underworld are not so easily escaped. A sudden kidnapping forces his father's hand, bringing Hamin back onto the radar and under the 'protection' of the organization's most volatile weapon: Kwon Sehyuk.
Sehyuk is everything Hamin fears—violent, unpredictable, and relentlessly intense. Known as the 'Mad Dog,' he follows no rules but his own, and his sudden intrusion into Hamin's life turns it upside down. What starts as a forced arrangement quickly spirals into a complex web of obsession and desire. Sehyuk isn't just a bodyguard; he is a force of nature determined to devour Hamin's world whole.
Mad Dog (Side Story) delves deeper into the chaotic and steamy relationship between these two contrasting men. As Hamin struggles to maintain his grasp on normalcy, he finds himself entangled in Sehyuk's dangerous pace. This story explores the thin line between protection and possession, delivering the high-stakes drama and intense romance that fans of the series crave.