MTL - Lord of Nine Stars - Chapter 8 Sister-in-law?

There is only one Magi Craft Meister in the world. After the death of the last Meister over one thousand years ago, Jin Nidou was transported to another world in order to succeed her will.

After her life ended, Nan Fei Yu was bonded to a Villain System. In order to complete the system’s tasks as soon as possible and reshape her body, she became a villain that everyone hated. Everyone wanted her to die! However, if the villain was delicate and soft, did it bring an alluring hallo?

- Description from Novelupdates

A Sky God’s Spiritual Foundation. It was the greatest natural treasure in all of existence, but the sacrifices one must make to gain the approval of such an entity was unimaginable.

Ryu is a genius amongst geniuses.

He was born with the four Grand Ancestral Bloodlines. The Lightning Qilin. The Fire Dragon. The Ice Phoenix. The Fire Phoenix.

He was blessed with an Ancestral Grade Bone Structure and Ancestral Grade Meridians. The Ice Jade Crystal Bones. The Chaotic Silk Meridians…

He was bestowed the First Ranked Heavenly Pupils. The Mysteries of Heaven and Earth Pupils…

However, none of it mattered. Born with a False Spiritual Foundation, it seemed that all of his talent would go to waste. Unless…

Unless he was willing to grasp his Fate in his own hands.

“O, Hero!” With that cliched line, Kazuya Souma found himself summoned to another world and his adventure–-did not begin. After he presents his plan to strengthen the country economically and militarily, the king cedes the throne to him and Souma finds himself saddled with ruling the nation! What’s more, he’s betrothed to the king’s daughter now…?! In order to get the country back on its feet, Souma calls the wise, the talented, and the gifted to his side. Five people gather before the newly crowned Souma. Just what are the many talents and abilities they possess…?! What path will his outlook as a realist take Souma and the people of his country down? A revolutionary transferred-to-another-world administrative fantasy series starts here!