The Alpha Male Friend I Hate

The moment she opened her eyes in the emergency room. Sia, who had been a Beta her entire life, hears the thunderous news that her secondary gender has changed to Omega. But... Ji-hoon, the childhood friend she has spent twenty years fighting with like sworn enemies, is somehow acting extremely suspicious. --- “Hng, are you actually insane? Why on earth would I marry you?” As Sia raised her voice, her eyebrows furrowed in frustration, Ji-hoon let out a smirk and toyed with the nape of her neck. Looking at the vivid red tooth marks left there, Ji-hoon gazed down at Sia with dark, narrowed eyes. The mark, engraved like a tattoo, was a testament that she could never be with anyone else. ...