Raising the Enemy Only Brings Trouble

Transmigrating into the world of the book, she became a supporting female role who died distressingly. Ain't got no that for this game! The female lead decided to kill the male lead, destroy the world and get out of here! When she faced this scrawny little boy, she just couldn't do it... What should she do? Raised up this boy as her helper? An excellent idea! But this boy didn't grow up as a righteous man as she expected! Could she restart again?

(Source: Webcomics)