I Reincarnated During the Apocalypse and Killed My Enemies - Chapter 163 - : You Have to Rest Well

Perhaps it is the choice of fate. As a senior otaku, Qian Lingfeng got the “steel shell system”. However, when he swept the world with the system, became a local rich man, made all kinds of beautiful women, opened a harem, and realized the ultimate fantasy of thousands of otaku, he found that things seemed far from simple!
When the end comes, biochemical zombies suddenly come down, fierce beasts are in power, bloodthirsty zerg roam to kill the world, and human lives are comparable to dirt. Where will weak human beings go in this world? Is humanity going to be extinct? Or … can an otaku save the fate of the human race?

- Description from Novelupdates

Yun Xiaoxiao was knocked unconscious by her phone and transmigrated into a female supporting character in a tumultuous era.The original character abandoned her family to return to the city and was accidentally killed by her abusive husband.With the Golden Finger shopping app in hand, Xiaoxiao could buy whatever she was lacking and raised her two kids plump and healthy.But when she wanted to divorce the male lead and live a wonderful life alone, the male lead was suddenly unwilling!Male lead: “Wife, I'll make sure you have a good life.”Da Bao: “Mom, I will honor you well.”Xiao Bao: “Mom, don't leave us, I can be cute.”The father and sons acted pitiful, just trying to keep her, who had crossed over.Back, back, back...You belong to the Main Female Character, not to me, the female supporting character.

High school student Mikoshiba Ryouma was summoned to a different world in the middle of a war. Sensing the malice from the one who summoned him (a summoner of the O’ltormea empire), he uses his martial arts to run away, killing important people of the empire during his escape. After the escape, he rescues two twin sisters from the hands of thieves. The sisters who can use magic, swear to serve him as subordinates. Thus, Ryouma begins his journey on the path of the supreme ruler.