Hikaru ga Chikyuu ni Itakoro…… - Volume 1, Authors Notes

Struck down amid the battle, the Hero and Demon King meet their demise. As their souls linger on the edge of the afterlife, a mysterious force intervenes, merging their fragmented souls together with a new being. Rusty, the living armor, now affected by their memories and presence, embarks on his own quest. Will he seek revenge on those who betrayed the hero, or will he fulfill the desires of the fallen demon king? or instead, forge his own path?

Hyde arrives in a doomed world with nothing but his body and fragmented knowledge of the future from a game he once played. He has no grand ambition—why try to save a world already destined to fall? Survival is enough.That is, until he discovers his sister is also transported into that world.However, only he hears the Melody of Nightingale and receives the power to survive.[You have established a connection with The Forgotten Hollow.]Awakening as a Resonant—an elite group with supernatural abilities—he is thrust into a conflict between two worlds. Armed with the authority of space and time, he vows to protect his powerless sister at all cost, even if he has to fight against the Mirage creatures, other Resonants, or even Gods themselves.

At the beginning, he said: “Little concubine from Jiangning County, what an insult to status, I won’t marry!”

After seeing it, he tsk-tsk: “It’s so weak, it’s too weak, I don’t want it!”

When she came to the door alone with a marriage certificate, he stood leaning against the door and smiled subduedly, “Come and let me marry you? But I don’t want to marry young!”

Knowing that she came to divorce the engagement, his complexion was completely dark, and he wanted to kill someone gloomyly, “Who gave you the courage to withdraw the young master’s engagement?”

…

Su Rong felt that Princess Duanhua might be blind. This person is so pampered, how could it be worth her to die and live for him?

If I had known, when she saw him for the first time, she threw the divorce letter in his face.

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The hibiscus pillow is delicate and springy, and the hall is full of flowers drunk without knowing it. ——Su Rong

A young man in fresh clothes and angry horse walks, and his whole life is a mistake. ——Zhou Gu

Your wish is my wish, I wish to know you early, to protect you with brocade red in the jade hall, break through obstacles, cut thorns, hands are not stained with blood, clean, and I am the gentle and soft little girl I first saw.

Your wish is my wish, I wish I had known you earlier, when you were bright and bright, I was careful not to approach, frightened the sparrows, and prayed to turn into the moon in the sky, projected into your arms, to accompany you to see the flowers in spring and the snow in winter, and Changan every year.

- Description from novelbuddy

Flatten the Devil's Palace, eradicate the demonic cult, slaughter the demon lairs, sweep through the demon realm, dominate the heavens and earth, control the three realms, be the supreme master of the mysterious sect, master of the Nine Yin, the 17th head of the North Star Sword Sect, the Heavenly Fiend Lone Star, the Supreme Sword Soul, the Supreme Infinite Mysterious Heavenly Wishful Great Sword Patriarch... Also known as Iron Egg, known for the wild history of relentless killing.