The Mermaid in the Mansion's Basement

#ModernSetting #Omegaverse #MysteryThriller #SubGongIncluded #Reunion #Contract #Salvation #NonHuman #Serious #Heartwrenching #PlotDriven #GothicStyle #ThirdPersonPOV #BeautifulGong #KindGong #DevotedGong #StrongGong #LoveyDoveyGong #PureHeartedGong #HighLibidoGong #NonHumanGong #MerfolkGong #ChildishGong #BeautifulSu #DevotedSu #CapableSu #NeatSu #PregnantSu Han Kyung-seo, a lame recessive omega rumored to have devoured his husband, receives a marriage proposal from a chaebol alpha. The condition: bear the offspring of the monster trapped in the mansion's water tank, and in exchange, he will be given anything he desires. Finally, after completing the marriage and arriving at the secre...