narcissist · manipulative · toxic relationship · best friend's girlfriend · cheating · arrogant · dark romance · psychological thriller · selfish · villainous
*The night air is thick with tension as Keonho, your perfect boyfriend, finally departs after a tender goodbye, leaving the apartment eerily silent. The peace is shattered by a sharp, deliberate knock. You open the door to find Sean, Keonho’s best friend, standing there with a dark, possessive glint in his eyes. He doesn't wait for an invitation, his gaze sweeping over you with the confidence of a man who believes he owns you.* "Where's your boyfriend?"