God-Tier Grimoire System - Chapter 5: Who Is The King?

Mark is a genius military weapon designer who was kidnapped by a mafia gang after refusing to work for them.
They forced him to design unique weapons for five years, until one day he successfully escaped only to get shot by his trusted comrades.
*Ding! You awakened a weapon system.
When he opened his eyes, he was in a different body and in a different world.
"You want to kill a wild boar without being detected? Forget about bow and arrow. Here, I present you this sniper rifle."
"You want to kill a horde of goblins from the sky? Forget about those flying carpets and brooms. Here, I present you the fighter jet."
"You want to kill a dragon? Forget about taking the help of the S-class adventure team. Here, I present you a nuclear bomb."
Join Mark Spencer/ Lu Zhen as he brings the whole world to its knees with the help of his weapon system.
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Note: Author isn't born in an English-speaking nation and has no editor either. So, please be understanding if there are any grammatical errors.
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William and his college class are ripped from Earth and thrown into Aethel, a world on the brink of collapse. Everyone gains incredible magical powers – except William. Mocked and underestimated, he’s an outcast among heroes. But William has a secret: an SSS-ranked skill that lets him travel to Aethel’s past. Learning lost magic from ancient masters, he’ll surpass his classmates and become the true savior Aethel needs. But can he overcome the dangers of the past and present to forge his own destiny? While others studied about the first mage, William could go back in time and see the first mage himself! While others dreamed of seeing a dragon, William could go back in time, hatch a legendary dragon egg and turn it into his puppy. While others used common materials to craft their items, William could go back in time and mine materials that weren’t find anywhere in Aethel anymore. Is it unfair? Perhaps, but William was not the type of person to not use the powers the universe gave him.

The Honoured One... A title bestowed upon the one who's pleasure and displeasure matter above all else within the bounds of Heaven and Earth.That is who I have become. Satoru Gojo - The Six Eyes may have claimed this title for himself, declared it to all of Creation and went unchallenged for it for years, till the awakening of the man I have been transmigrated as.I intend to honour that title.Power is meant to be used - to change one's life with.And change it I shall.----------------------------(Author note: This guy will be a lot like Sukuna in personality, but not a carbon copy - he will have his own views and thoughts that will contradict canon Sukuna, cause this guy is a transmigrated soul from our world who was thrown into the Invincible world with all of Sukuna's powers.Also, he was geniunely Sukuna in his past life.Romance: Sukuna X Yandere EveSukuna is in the body of Megumi (Shadows yet to be tamed)Read the auxiliary chapter for Sukuna's power level compared to this world, because I am taking some vague statements about Sukuna in JJK canon, to make him strong enough to not just be crushed in an instant in a world with Viltrumites.Hope to see you guys soon,Bye!)

From an apocalyptic world, Xu Feng transmigrates into a parallel world with a third gender. The heavens took pity on the 19-year-old who died as he awakened his ability in his original world, so he started a new life as a ger.What is a ger? The third gender, a man who can impregnate women and be impregnated by men.There were even more surprises waiting for Xu Feng. He not only awakened a wood ability from his previous world, he was also met with a contract marriage he couldn’t refuse in the new world.“Carry my son’s child, and I’ll make sure you live comfortably for the rest of your life.”“Whether you can birth a son for me or not, I don’t care. Just don’t get in my way, and I’ll make sure you want for nothing.”Xu Feng looked at his “mother-in-law,” then back at his “playboy” of a “husband” before looking toward the fertile fields and vast mountains.A peaceful farming life as a landlord with a spoiled young master was better than living life in the apocalypse. But Xu Feng was transported to a world with cultivation, demon beasts, and hidden secrets, a simple farming life might be too much to ask for.—[Cultivation, Farming, Multiple partners/Throuple, BL, R-18, Child, HE]