กรงรักมังกร

Orphaned Yelena, sold by her own uncle into an underground auction and trampled underfoot like worthless goods, is nothing more than a lowly item waiting to be priced. But she unexpectedly becomes the life-saving cure for Nikolai, the underworld overlord with Black Dragon blood flowing through his veins. From a captive tool to a treasure held gently in his palms, she rises from despair and turns the tide.