冷酷な悪魔は私の甘い下僕

"WARNING! If his affection drops below -20, the Warden will kill you!" Trapped in a deadly prison, Cecilia must survive bizarre rules and complete insane System tasks: making the ruthless ghost Warden undress her, kissing him publicly, and even exposing his hidden submissive side. Dancing on the edge of death, she finally realizes—this bloodthirsty demon is already madly obsessed with her.