Leading the young lady I picked up astray, making her the happiest girl in the world! Novel

Deep within the forest's heart resides Allen, a reclusive wizard shrouded in infamy. The nearby villages whisper of his dark nature, calling him the "Demon Lord." His solitary existence shatters when he discovers Charlotte, a young woman lying unconscious in the woods. Despite her innocence, she became a victim of false accusations that stripped away her engagement and forced her to abandon her homeland. Allen's own past—marked by treachery from former companions—stirs recognition within him. Moved by Charlotte's plight, he extends an unexpected offer: shelter within his mansion and knowledge of the world's darker truths.