One Kiss Woke the Dragon Heir

For 30 million gold coins, a serpent girl takes her sister's place and marries a dragon egg. One kiss wakes the dragon heir—and binds them in a mate contract that can't be broken. He thinks she's a gold digger. She just wants her freedom. Then his ex comes back, a dragon knight starts pursuing her, and his family keeps framing her. Until one slap makes her walk away for good—and that’s when he realizes he's already fallen for her.