Magika no Kenshi to Shoukan Maou - 5.1.5 — Strength, the Time It Should be Shown

Kaito Nakamura, a shy university nerd, thought he’d found love when the stunning Aiko chose him as her boyfriend. Their sweet, fluffy romance fills his lonely world with hope—until he discovers she’s cheating on him with multiple guys, reveling in the taboo thrill of betraying someone so innocent. Heartbroken and humiliated as explicit photos of her circulate online, Kaito’s tears are interrupted by a mysterious popup: the “Revenge NTR System Beta.” Promising retribution but with a chilling condition — he can’t break up with her.Contains Ntr, read at your own risk

Naofumi Iwatani, an uncharismatic Otaku who spends his days on games and manga, suddenly finds himself summoned to a parallel universe! He discovers he is one of four heroes equipped with legendary weapons and tasked with saving the world from its prophesied destruction.

As the Shield Hero, the weakest of the heroes, all is not as it seems. Naofumi is soon alone, penniless, and betrayed. With no one to turn to, and nowhere to run, he is left with only his shield. Now, Naofumi must rise to become the legendary Shield Hero and save the world!

No NTR-IncestA Boy struggles with the problems of being raised in a family full of lewd older women.

All the people in the Tarot Empire know that the third young master of Le family is the most domineering, arrogant and beautiful Omega in the Empire. I don’t know how many alphas want him, but they dare not marry him. Now, under the order of the Imperial Marriage Center, this overlord flower will marry General Xu Yao, who is known as the ruthless Hell’s King of the Empire.

Tsk! It’s going to be fun!

So after X days of marriage…

Xu Yao: Butler, my wife hasn’t bullied you these days?

Butler: No, Madam is very kind, but he seems to think that you are a bit rude, he asked me to give you this paper.

It’s written:

~ Little Red Flower Agreement ~

Don’t swear a day, reward one little red flower.

Keep reading every night, reward two little red flowers.

Do good deeds, reward three little red flowers.

Get three hundred little red flowers, you can pa pa pa!

Xu Yao: Pei!!! You think Lao Zi is a dog in heat and wants to do it with you?!

After a month…

Xu Yao: Hurry! I still need three more, whose family is bankrupt this time? I’ll send a charity money, hurry! ! !

Cheerful, kind and virtuous wife vs Black belly and pampering husband, 1vs1, HE

- Description from Novelupdates