Lynn Sutton travels into 'Harem'. System requires her to win Caden's affection, become Empress to return. Caden feigns 'lovesick fool' to eliminate rebels. Lynn suppresses Caden's toxin, creating a symbiotic link. Caden protects her, genuine feelings blossom. Regent Prince instigates turmoil. Lynn and Caden defeat him; she becomes Empress. Caden sacrifices himself. Lynn realizes her love. Returns to reality, Caden is her boss. Fate crossed time and space.