My Psycho Alpha Husband

An Omega is forced to marry S-Class psycho Alpha, Orion Preston. Cold by day, his split personality emerges during his Susceptibility Period at night, making him obsessive and violent. When she seeks divorce, he chokes her, threatening, 'I'll kill you if you run again.' She discovers his decade-long obsession, stemming from a childhood encounter, revealing their contract marriage is a trap. His brother, Zane Preston, secretly uses drugs to awaken Orion's dark alter ego. Can she escape?