Risou no Himo Seikatsu - Volume 3 Chapter 7

Yang Gang accidentally became the imposter heir to a wealthy family, with a beautiful older sister and a twin younger sister at home...

[Polyandry + Adored by All + Pregnancy Runaway + Leveling Up + Pure Male Harem]Qiao Suisui opened her eyes and found herself in an interstellar beast world where females were scarce compared to males.How scarce?Looking around, she was the only viviparously born female!Bound to the fertility system, she became the target of a scramble among the big shots—A Colonel from the Empire Military Department, who betrayed his family just to give her a status.“I swear on the honor of the Sikoses Family, I will never let anyone harm you.”A previously indolent member of the Royal Family started on the path of power struggle just to protect her.“Suisui, no matter where your heart lies, I will never let go.”An obsessed scientist, who kneeled at her feet, humbly begging for love.“Qiao Suisui, you're lying to me... you also love me, right... why won't you look at me...”The last blood of the Wolf Clan, who was a bloodthirsty killer in public, but behind closed doors, he transformed into a big dog, warming her feet with his belly.“Sister, our Wolf Clan mates for life. You touched my tail, so you have to take responsibility.”(More men joining the lineup...)System: The stronger the male gene, the higher the quality of the reward.Qiao Suisui: (Resting her chin on her hands) Let me see who I should seduce today...PS. The female protagonist appears fragile but is actually calculating and self-serving. All males are merely tools for reproduction.

Elena, who spent her entire life as a cold-blooded female knight to avenge her family, ended up dying without claiming her revenge. When she opened her eyes she found that she went back into the past. By day she was a lady in a dress, and at night she carried a sword to change history and prevent her family’s destruction.

Li Wei travels through the Marvel world and accidentally awakens the Kamen Rider inheritance system.

As a result, he silently founded Feidian Intelligence, Fantasy Group, World Tree, Namba Heavy Industries, Zhinao and many other companies.

A terrorist consortium spanning many fields is slowly born in the shadows!

Tony Stark: Iron Man, no! From now on, I will be Kamen Rider 01!

Norman Osborn got amzons cells, developed them with all his strength, and turned into a Kamen Rider grandma!

In the face of mutants, the military developed Gaia memory, core coins, and created an army of adulterated bodies!

…………

A few years later, when Thanos led the army of darkness to Earth!

Everyone on the earth raised the drive in their hands, their eyes glowed red, and they looked at Thanos eagerly!

Thanos: ? ? ! …

- Description from novelbuddy