My Alpha Is Pregnant

Silas Shaw and Kian Quillan were high school arch-rivals with secret feelings. They reunite, spend a night, and Kian, an S-Class Alpha, gets pregnant. Silas's birth mother appears, forcing him to donate bone marrow to his younger brother, disregarding Kian's child. Kian protects Silas, confessing his decade-long love. The arch-rivals become lovers.