The full-length version has been posted.

Upon regaining his past life's memories, Cyril realizes he is a character in an otome game: the villainess's butler.

At this rate, the villainess, having lost the prince to the heroine, will fall into darkness and be executed.

Determined to save the villainess he had grown fond of, Cyril, as her butler, eliminates the factors that would lead her to fall into darkness, and meticulously raises her into an accomplished and beautiful lady capable of winning the prince's love, but...