Rebirth in the 60s: A Path to Counterattack - Chapter 35 - 0. Young couple shopping (Collected 600+)

When a glowing portal yanks Leo from his struggling existence, he is saved by a mysterious system which gifts him new chance to break free from his side character experienceRebuilding an abandoned guild to honor his family’s legacy, Leo finds himself under the evil eyes of monsters, both from humanity and the gates he ventures intoin short : overpowered necromancer building a guild.

[WSA 2025 ENTRY]“Seriously? Of all the people I could’ve become, I get stuck as him?”Damien, a shut-in who spends his days cursing his favourite authors for every plot twist he didn’t like, meets his end at the hands of a mysterious woman.Just when he thinks his life is over, Damien wakes up as Alden Draven, an extra character inside his favourite novel.You know, the kind of character who shows up for one chapter, says nothing important, and dies tragically in the background to move the plot forward. Yeah, 'that' guy.And guess what? His death is scheduled to happen in the first few chapters.But just as he resolves to not die and change his fate, he notices something’s off. The plot is... wrong. The characters aren't acting as they were meant to be, and the plot is all messed up.“This wasn’t supposed to happen; the stupid hero was supposed to fail miserably right about now! Is it just me, or did the entire plot get hijacked?” He muttered as it hits him....“F*ck! ”Is there another transmigrator?”And if that wasn’t enough, there's a yandere girl, one of the characters he's meant to interact with, who’s developed an unnatural obsession with him.

Her wedding had also become her funeral.
Her stepsister and her fianc�� had gotten together at some point in time. It turned out that they had been the ones who had done it all along. She had been disfigured, raped, plagiarized, and her father had died in an accident.. All of this.. It turned out that they were the ones who had done it all.
She really regretted trusting the wrong person and misunderstanding the person who loved her... ...
After being reborn, she returned to her high school days.
She became a Straight-a student, won a grand prize, fought against the stepsister, confessed to the scumbag, and got lost. Her sister's lies were all broken. Faced with the shadow of rape, she came to recruit them. The chicken was braised with mushrooms, and a grand party was held. She made a name for herself. She was strong. She opened a shop, bought land, and earned a lot of money to be a boss But in front of him, she was a little woman that he doted on.
"Hei di, madam ran out again. She said she wanted to earn a lot of money to buy milk powder. "
Blue veins popped up on the man's forehead. "Here it comes again. Bring her back and open a bank for her. "

An Individual from Earth finds themselves in the Shinobi World, equipped with a Scientific System. From that moment, he delved into scientific research far ahead of its time.