Dagaol Jongmare Kiss-reul

For some reason, no more boys are being born, and humanity faces an apocalyptic crisis. Amidst rampant trafficking of boys and the establishment of shelters to protect them, people continue living in their own ways. Jessica, an actress popular for her sophisticated image, has Valentine, the boss of a human trafficking cartel, as her sponsor. One day, Jin, who claims to be her younger brother, appears before her—a woman who lacked nothing and felt no regret...

(Source: Lezhin, translated)