Conquering the World: Starting as a Son-in-Law in the Chancellor’s Household

[Live-in son-in-law] + [strong, beautiful wife] + [struggle for supremacy] + [political scheming] + [Cthulhu]

She is stunningly beautiful and aloof, stands six foot three, and was born with incredible strength. She can lift a bronze cauldron with one hand, and people call her the woman from the Xiao family who can uproot mountains.

He is a top analyst from the 21st century, whose soul has transmigrated into her husband. With his literary talents, he can crush the prodigies of every kingdom.

The only thing he fears is his strong, beautiful wife...