Wo Ba Nan Zhu He Fanpai Dou Yang Waile

Fu Sang, a resentful character, time-travels into a Mary Sue novel. Bound to a system, her mission is to make the male protagonist and villain popular without them turning against each other because of the future heroine. However, Fu Sang is consumed by resentment and believes raising children only nurtures more resentment. Despite this, she embarks on a journey to raise the two kids, discovering it may not be as simple as she thought. (Source: INKR) Note: Chapter count includes 1 extra chapter.