Reincarnated and Regressed Villain - Make heroines beg for forgiveness - Chapter 259 - - Mother-in-law?

Bai Aoxue, the best mercenary in the 21st century, is accidentally sent back to the Chengxi Dynasty in Great Continent due to an explosion in her mission, and trapped in the first daughter of Prime Minister. After her rebirth, she is set up by her father to marry the 5th prince Jun Yeyan who wears a mask all day long.
In the face of bloodthirsty enemies, discord between brothers, collusion among courtiers and invasion of enemy state, can Bai and Jun resolve the crises? What will happen to their political marriage? How will the fierce battle for the throne end?
With many twists and turns, the book brings you to experience palace revolution, love and hatred thousands of years ago.

- Description from Novelupdates

Takamine Haruto transmigrated into a crossover anime world. His childhood friend is Eriri, his deskmate is Yukinoshita, the school beauty next door is Kaguya, and his new neighbor is Gabriel.He originally thought he could enjoy a peaceful life in this slice-of-life anime setting!But then—he stepped outside and found the Female Titan, Annie.Around the corner, he ran into the gluttonous Kamishiro Rize.A concrete statue that twists people's necks the moment they look away?A shy entity that hunts you to the ends of the earth if you make eye contact?An immortal lizard that adapts to any environment and continuously evolves?Takamine Haruto was overwhelmed.To maintain his peaceful daily life, he established the SCP Foundation to contain anomalies from across the multiverse!

Killing a person in ten steps will never stop a thousand miles away!

The evil leader broke through the barrier of time and space and became a descendant of Chinese medicine.

An era in which traditional Chinese medicine is in decline and ineffective.

Medicine is declining

Budo is fading

humanity is sinking

Under the surface of the peaceful world of singing and dancing, there is another treacherous and unfathomable world.

Experts can cure diseases, and national players can save people’s hearts.

- Description from novelbuddy

The Cambrian Explosion, now the largest life science puzzle…