La sirvienta resultó ser su reina

Five years after one night with Dragon King Kaelen, Layla enters his castle disguised as a male servant with their secret son. Kaelen knows her scent, while Reed’s dragon blood awakens. When Serena frames Reed as a lowborn hybrid, Layla exposes her and proves his royal blood. Kaelen marries Layla, and the family lives happily in the dragon castle.