Longevity Begins with Marrying a Wife - Chapter 3: alchemy visit

Leon is an average high school student who likes to watch anime and read novels.
He's about to cross the street, only to be greeted by a truck and died.
But, he got reincarnated as Uchiha yet dead again because Itachi killed him.
Leon got reincarnated again as the grandson of the recovery girl.
He got kidnaped and tortured by All For One.
After his third death, he got reincarnated as a son of Bibi Dong.
In this fourth life, he wants to change his fate to become the strongest.

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Explore the Universe through the hardest, truest weapon: the Fist.

Jack Rust was a disillusioned biologist with a PhD—almost. When an extraterrestrial AI calling itself the System invaded Earth and thrust it into a world of aliens and violence, the least Jack hoped for was magic. Unfortunately, the System decided to spawn a forest dungeon around him and a goblin in his face, which left him little choice.

Armed with nothing but his fists, Jack must grow strong enough to survive entire menageries of monsters. He needs to return to civilization and find out what the hell is going on. He might also get magic—or not. Surprising himself, Jack discovers that violence is fun.

In this battle-ridden new world, Jack finds the life he always dreamed about. He won’t just survive. He will thrive.

……………………………………………………………

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His Royal Highness the King of Han, who was afraid of the dark and ghosts and loved to cry, has always been the good baby of the princess.
Until one day, His Royal Highness the King of Han found a book in the bookstore…
Picture book?
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Search keyword: Protagonist: King of Han, Princess of Han

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