I Became My Ex’s Brother’s Forbidden Toy — Episode 15

Scorned Beta Liam, publicly dumped by fiancé Leo, seduced Leo's brother Zach, S-rank Alpha and Carrington family head, during his rut. One night rewrote his fate. At the wedding Liam dropped his mask, crushed his stepmother and half-brother, evolved from transaction to true love, and became Zach's sole lifelong partner.