Fang Xuan transmigrates into a female-lead tragedy novel and binds himself to the All-Heavens Training System—then, with one fatal misclick, sets himself as the training target. Now he’s become Ning Xian’s exclusive. His daily tasks include things like: being fed by his cold senior sister (+0.1), sneaking a sniff of her blanket (+0.1), and getting system warnings for inappropriate fantasies… Meanwhile, that senior sister—a future calamity who will one day bathe the land in blood, whose gaze alone can freeze souls—is blushing as she gently asks, “Tonight… are we doing that again…?” “Absolutely. Please, Senior Sister—train me properly.” …… But as time goes on, why does Senior Sister seem to be getting more and more obedient? Wait— who’s training who, exactly?