A Stern Mistress from the Ancient Past Becomes the Cannon-Fodder in a Wealthy Family - Chapter 259 - : Picking Up His Wife

“A cheat system? Do you take me for a fool? Nowadays, where can you find such a good thing falling into your lap? Scram from my head. Is this is new kind of fraud? Or is this a murderer training system of aliens that contains the ability of hypnotism?”

“No, I am the chaos that whispers from nothingness, the nightmare of all living beings in the Southern Ten Stars, the successor of the unparalleled God and… your elder sister.”

“…I only have a younger sister, I don’t have an elder sister!”

“No, you have one. I am an illegitimate daughter. It’s just that your dad didn’t inform you.”

- Description from Novelupdates

Her – a glutton without troubles or worries who crossed over and became a young fat chick with a deep vengefulness.

All Ewan Giacometti wants from his wife is a son. But after three years of unhappiness and disillusionment, Athena Moore is ready to leave her ice cold husband. When she finally asks for a divorce, Ewan’s cunny ‘best friend’ frames her, driving her out of the city. Now, Ewan is left to confront his true feelings about his wife, whom he had married under mysterious circumstances, especially when she returns from exile a changed woman.

Meet Sora and Shiro, a brother and sister who are loser shut-ins by normal standards. But these siblings don’t play by the rules of the “crappy game” that is average society. In the world of gaming, this genius pair reigns supreme, their invincible avatar so famous that it’s the stuff of urban legend. So when a young boy calling himself God summons the siblings to a fantastic alternate world where war is forbidden and all conflicts–even those involving national borders–are decided by the outcome of games, Sora and Shiro have pretty much hit the jackpot. But they soon learn that in this world, humanity, cornered and outnumbered by other species, survives within the confines of one city. Will Sora and Shiro, two failures at life, turn out to be the saviors of mankind? Let the games begin…