The Last alternative ending of 9999 endings for her - Chapter 36: Love to save the world

Su Lin travels to a post-apocalyptic world governed by rules where he spends his days scavenging for supplies and his nights defending against monsters. The only way to survive is to build his own safe house and engage in tower defense survival.The original host's parents passed away, the defense of his residence reset to zero, and he faced despair and neglect. His fiancée was almost assigned away. Faced with this predicament, Su Lin gains the opportunity to enhance his abilities once a week through select traits.[King of the Garbage Can: Increases the probability of collecting low-level garbage items tenfold and enhances the power and effect of tools and buildings created using these items tenfold.][Glazed Cannon: The durability of your crafted weapon mechanisms is 80%, but receives a 40% damage increase.][White Take: Copy one item or building from a companion's hands every month.][One Hundred Push-Ups: Upon completing one hundred push-ups daily, you receive a 35% damage reduction for the day.][This is Hextech! Not cheating!: Consume any item, and for every ten items consumed, three are returned.]

“Dafeng Night Watchman” tells the story of modern policeman Xu Qian'an who traveled to the Dafeng Dynasty. As soon as Xu Qian'an traveled through time, he was involved in the case of the loss of his second uncle's tax silver. He was later implicated and imprisoned and faced exile, but he successfully solved the case with his past life experience and wisdom, rescued himself and his second uncle's family, and joined the night watchman organization. After that, he encountered various murders, political struggles, and entanglements with mysterious forces. He killed his superiors in anger to save the female relatives of the prisoners, was involved in the Sangpo case, participated in the struggle between Buddhism and the Kingdom of Ten Thousand Monsters, and entered the sight of major forces. In the end, Xu Qian'an realized that his mission was to plead for the people and protect the weak. He began to run around for the people of the world, promoted the alliance between Dafeng and the Southern Xinjiang Gu Clan and the Kingdom of Ten Thousand Monsters, and joined hands with Princess Huaiqing to launch a coup to save the people of the world. The novel combines a variety of cultural elements such as Confucianism, Taoism, Buddhism, the demon clan, and sorcerers, showing Xu Qian'an's intelligence and detective skills.

Rimu Dynasty, Kingdom of chaos. Demons were rampant, and it was difficult for people to live.

Gu Qing’an had not yet had the opportunity to appreciate his beauty upon transmigrating in this world, as he had to face the demon who targeted and devoured humans.

Fortunately, she had a system.

“I, Gu Qingan, have never been weaker than others. System, add it to me.”

……

Many years later, Gu Qing’an, standing on the frozen void, looked at the newly discovered strange world under her feet without any expression.

“Compared to human beings, alien existence is a demon,” she thought to herself.

“Then, are all creatures in this entire world considered demons?”

- Description from Novelupdates

To save the hopeless Dark Fantasy World, I held back my tears and destroyed the world, then killed the Demon King and returned.

Now, I’m trying to save the world using the ‘System’ I gained as the ‘Regressor’s Privilege’… but the Main Heroines have also awakened their memories of the previous timeline.

God damnit.