The Alpha's Fragile Omega is the Lycan Queen

Five years after the Langston Pack was massacred by a traitor allied with Quinn, sole survivor Isabella returns for revenge. Concealing her god-level Alpha aura, she poses as Charlotte, a weak Omega, and enters an arranged marriage to infiltrate her enemies. But meeting her Fated Mate awakens her wolf blood. Together, they will crush the frozen north and reclaim their crown.