MTL - You Agreed To Fight Mechas, But Your Body Exploded Into Stars? - Chapter 21 Entering the abyss again, this place is endless

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

Bought it right away.

When Yao Ling saved a handsome man, she never thought that there would be a day she would propose a marriage to him.

A car accident left Mu Lan, who was about to get a divorce, with sudden amnesia.Gazing at the strange man before her claiming to be her husband, Mu Lan was speechless. Could her taste really be that terrible that she chose a man with a poker face?“Whether I was blind or out of my mind before, since the heavens have granted me amnesia, this is an opportunity to start anew.So, this marriage, I'm definitely ending it!”However, no one can escape the so-called 'True Fragrance Law.'Not only did she fail to get the divorce, but she also ended up investing herself into it....Tingxiao never expected to suddenly find charm in the woman he had married for seven years and hardly bothered to look at more than once, all because of her amnesia.But even though they had agreed that once her family overcame their difficulties, they would go their separate ways, he found himself unable to let go.“Tingxiao, you're shameless, breaking your promise and growing fat from it.”“If I'm fat, I'm fat; for my wife, I accept it!”