Global Examination - Chapter 16:

In 2026, the world froze over in an apocalyptic ice age.Dean Winters, a man struggling to survive, is betrayed by his lover, his best friend, and the very group he kept alive. Left to die alone in the frozen wasteland, his life came to a bitter end.But death does not claim him. Instead, it hurls him back to a time before the apocalypse began, with every memory intact and a mysterious superpower known as Tyrant’s Ledger. The first of its kind to awaken among humanity, it allows him to perceive numerical values that reveal whether a person is hostile or friendly, and whether an object, location, or resource is spoiled, corrupted, or lethally dangerous.This time, with his newfound power, Dean won’t just survive. He will crush anyone who stands in his way, gather the powerful under his banner, take revenge on those who betrayed him, and rise from the snow as a true Winter Tyrant.

This novel is also known as Long Live the Mad Wife!

Daughter of the Feng Family, born a waste. Forced to marry a fool in an attempt to expel evil influences. When the first killer from the 21st century possessed this body, the sky and the earth surged. She was indifferent and cold-hearted but she let her guard down around him alone. She thought he was a pleasant sheep but didn’t expect him to be a gray wolf in disguise!

- Description from Novelupdates

Ren has never known kindness. He grew up alone in the slums, learning to survive by staying out of sight and trusting no one. One night, he stumbles into a strange tunnel and finds a hidden shrine forgotten by time.There, he sees a black cat with golden eyes and hears a voice inside his head.The shrine is more than it seems. So is the cat.As Ren is pulled into something ancient and mysterious, he must decide if he's willing to take a different step in life or keep running from the world that hurt him.Because the city doesn't care if he lives or dies, but something in the dark might.(No system, no isekai, no reincarnation, no regression, no harem. The story focuses on mystery and character development.)