Villain: Win the Heroine in Advance Before the Plot Begins

Bai Ling traveled through the world of immortality to become a cannon fodder villain, and obtained a plot changing system. As long as the plot is changed, his luck can be improved. At the beginning, he returned to being a licking dog to deliver medicinal materials to the male and female protagonists for training? I refuse. Just when I wanted to live well, a marriage contract suddenly came to me, and the protagonist was his sister... The invincible villain is a little Lolita. The plot that originally belonged to the protagonist was changed one by one by Bai Ling. Sisters, saints, beast-eared girls, lolita, iceberg goddess... [Multiple female protagonists + non-plundering luck value + weak system presence]