Demon King & Hero - Chapter 9-2:

Yu Xinyan was a tragedy in her previous life. She grew up well, studied well, and should have a bright future, but was used by her adoptive parents to pay off her debts.

It’s okay to marry a second-married man, but she was also used by a scumbag to become a hen that doesn’t lay eggs, and she was blinded, cursed, and bullied by her stepson and stepdaughter for most of her life.

In the end, Yu Jie suffered from an incurable disease, and she didn’t wait for her husband’s greetings, but was kicked out of the house.

It happened that fate tricked people, and accidentally learned the real reason for her infertility. She wanted to be strong for a lifetime, but her life became a joke.

After rebirth, whoever loves this nanny wife should be whoever she wants.

Just as he was thinking about how to change the situation, he found a small space by chance and smiled at the golden finger given by God.

Cleanly kicked the so-called dedicated man, turned around and married the boss in the factory, who had a hard time getting a wife, and lived a sweet little life without shame or embarrassment, who knows who is happy.

- Description from novelbuddy

Kusumi Chiharu gets a message one day that he has been selected as a Monster Tamer, and he is prompted to select his first partner. He thinks little of the message until he receives a giant package the following day. He assumes it’s the porn books he ordered, but the huge box ends up containing the unconscious body of a near-naked girl! She’s a ghoul named Zonmi, who intends to fight beside him as his partner.

However, it turns out that other hot girls at his mostly-male high school are also magical entities, and Zonmi may not be the only one who wants to fight by his side!

An average man is reincarnated in the world of DxD! How do you survive in a world of battle-hungry monsters? With a cheat skill, of course! Devour the competition, becoming stronger with every fight! From the depths of the Familiar Forest, the Beast King will rise. (Harem, Gamer!SI)

As a virtuous wife, does it include tolerating his cousin, enduring his concubines, bearing his mother?