Counterattack System appeared when I'm already At The Mahayana Realm - Chapter 5 - : Fury

He is the fearsome heir of an empire, wielding power throughout his life, indifferent and cold by nature, yet devoted to her wholeheartedly.“Summer Sutton, the only woman I will ever marry in this lifetime!” At the engagement party arranged by his family with another woman, he arrives with her and blatantly kicks the white lotus out of the picture.Everyone knows that Summer Sutton is the one Adrian Walyon holds dear to his heart; whatever she desires, there is nothing he cannot provide.At her mere longing for him, he flies thousands of kilometers overnight to be by her side.At her mention of missing the taste of home, he orders food to be prepared and immediately air-shipped to her.When she expresses her wish to reach for the stars, he reserves an aerial restaurant 108 floors high, making the starlight accessible.“What else do you want?” he asks earnestly, gazing at her.She tiptoes up, wrapping him in her arms, “Adrian Walyon, all I want is you!”

When the natural disasters come, the whole people travel through the wasteland world and face the challenge of death and survival!

Horrible acid rain, monstrous floods, sky-burning cities, global glaciers, super radiation…

No one is immune!

To survive, human beings can only build shelters and accept rounds of baptisms of natural disasters.

Fortunately, Somo awakened the doomsday survival system!

His refuge can be upgraded infinitely!

【Wooden Door】→【Iron Door】→【Alloy Gate】→…..

【Wooden Spear】→【Literwood Spear】→【Electromagnetic Spear】→…..

【Diesel generator】→【Bio generator】→【Thermoelectric generator】→…..

When everyone was rushing to prepare for the next disaster, Somo was already fully equipped and rampaged through the wasteland world.

“We’re still lighting the oil lamp, and they all use the refrigerator!”

“His refuge is said that the walls are tens of meters thick and it is the safest place in the world.”

“In my lifetime, I want to live in the Sushen Refuge for one day”

- Description from novelbuddy

Ding!『You have acquired the skill: [Universal Language] – All tongues shall now bend to your understanding.』『You have acquired the skill: [Dimensional Exchange] 』『Item Detected: [Gold Coin x50] 』Initiating Currency Exchange…Exchange Rate: 1 Gold Coin = $1,000 USDConverting [50 Gold Coins] → [$50,000 USD].....Kael Lancaster grew up believing his family was ordinary—until he discovered that his estranged grandfather, Theodore, was a multi billionaire.Struggling with his family's debts and uncertain future, Kael decides to approach his grandfather and move into the Lancaster estate, becoming the old man's caretaker. For two years, he endures the family's contempt and Theodore's cold indifference, clinging to the hope that his loyalty will one day be rewarded.But when Theodore dies, the will delivers a brutal blow: Kael inherits nothing.Or so it seems.However, His grandfather had left him something else.A portal through which he could travel to another world—Kael can trade between worlds, amassing power beyond imagination.

There’s a legendary Bishoujo Game that has become popular among Japanese gentlemen.