My Hollywood System - Chapter 150:

“O, Hero!” With that cliched line, Kazuya Souma found himself summoned to another world and his adventure–-did not begin. After he presents his plan to strengthen the country economically and militarily, the king cedes the throne to him and Souma finds himself saddled with ruling the nation! What’s more, he’s betrothed to the king’s daughter now…?! In order to get the country back on its feet, Souma calls the wise, the talented, and the gifted to his side. Five people gather before the newly crowned Souma. Just what are the many talents and abilities they possess…?! What path will his outlook as a realist take Souma and the people of his country down? A revolutionary transferred-to-another-world administrative fantasy series starts here!

REBORN OF THE LEGENDARY BEAST MASTER

Perry Z has a Magical Destiny.Born to a Magical Fantasy Princess and a nine-to-five Supervillain, Perry's never felt...adequate. He's completely magically dull, and without a scrap of superpowers.When The System boots, he's forced to follow in his father's footsteps, but he'd rather take after his mother.Maybe there's a way he can do both...

The story is about a man who’s opposed to the now-common practice of implanting false memories, but is one day given memories of a fictional childhood friend. This fabricated happiness torments him, but then, to his surprise, he meets her – a girl who shouldn’t exist.