Taming My Twin Incubi

Single Wanqing buys demon Ye Ling, who rejects her. She saves his sick brother Ye Jin. Jealous Ye Ling causes trouble. Wanqing is drugged; Ye Ling saves her, Ye Jin arrives. Both detox her, marking them. They live happily. Revealed as lost demon princes, they face noble rejection of human Wanqing at the Demon Castle.