Transmigration: Possessing a Beautiful Girl and Serving as Her Strategist

(No System + light slice of life + humor + wild imagination) Xu Qinghe had lived through twenty ordinary years, with only one year earning him a reputation as a peerless genius seen once in a thousand years. Yet just as he was about to reach the summit, a treacherous enemy ambushed him, causing his soul to transmigrate and wiping his memories. Determined to recover his memories and take revenge on his enemy, Xu Qinghe resolutely possessed the body of a beautiful young woman caught in a perilous situation. As one tangled incident after another unfolds, the truth hidden beneath the surface gradually comes to light. An invasion from another world? A descending archbishop? The villain is actually... me?