MTL - Self-cultivation of Male Supporting Role - Chapter 358 gave birth to a mistress

Claire receives a strange dream the night before her 18th birthday, an unknown goddess offers her power as her paladin. This power comes with a “gift” Claire was not ready for, but if it means getting her brother back, then she'll master it. Join Claire and her party as they navigate adventuring, fighting against tyranny, and the gifts the goddess bestowed them.

In a world where power is hidden behind corporate empires and ancient martial legacies, John Lopez lives a double life. Known publicly as a carefree young man, he secretly bears the terrifying title of the King of Horizon, a supreme martial expert feared across the continent.When his beloved sister Queenie becomes the target of a brutal smear campaign threatening to destroy her company and reputation, John is forced to confront the shadows lurking in the high towers of business and politics. As conspiracies deepen and enemies rise—ranging from corrupt business moguls to deadly assassins—John’s wrath becomes unstoppable. But danger isn't only around him—it strikes home when his eldest sister, Alice, falls victim to a rare and deadly poison. With time running out, John must defy the odds, wield ancient techniques, and unleash the full fury of Horizon’s might to protect his family.

Violet skies, a world undergoing massive changes, a deficient moon, interlinking voids…
When the world experienced a cataclysmic event,the majority of living things ceased to exist. Although humanity survived by hiding in the last safe zones, humans had to face mutated dire beasts and colossal source beasts that could break through the space barrier and enter the earth at any second.
Luo Yunyang, a young man who grew up in those calamitous times, obtained an attribute regulator and set out to walk the path of supremacy!

- Description from novelupdates

Once upon a time, the Devil fell in love with one of the King’s many wives. One night he went to her room disguised as her husband and made love to her. She got pregnant with his child. Knowing this The King ordered her execution believing his wife cheated on him, but then the Devil appeared to the king making him a deal. In exchange for great power for his Kingdom, the King will let his wife Sire The Devil’s Child. The King who was greedy for power agrees to the deal and his Kingdom becomes one of the most powerful Kingdoms and the Devil’s Child, the seventh Prince of the Kingdom.