Rebirth in One Piece as Deputy Captain - Chapter 17

Lucas Yohan, originally born in a world filled with magic and mana, gets transmigrated for the second time into an advanced interstellar world that blends strange magic and technology in ways he never thought could be possible. Upon awakening, he discovers that his transmigrations were no coincidences and is now in possession of the Crafts-God System, a system dedicated to creating a new successor to the deceased Crafts-God, who is an existence with the ability to create anything and everything. Lucas decides to fulfill the goal of the system and become the new Crafts-God, but he’s faced with an incredulous challenge; he can’t learn magic.

Kurokawa Risa is an ordinary office worker, who has practiced lots of cooking while living alone. One day, she wakes up in another world, with a concerned little spirit hovering over her! She has apparently been transported to a magical, spirit-filled realm by the will of the goddess, and there is no known way for her to go back. She is taken in by a wealthy couple, and they and her new spirit helper treat her with nothing but kindness. There is one problem, however–the food in this magical world is gross! Risa insists on helping the household cooking staff prepare a traditional meal from her world, and it is a big hit with her hosts. Soon Risa knows what she should do in this new world; she should open a cafe and treat everyone to delicious food!

Achieving the power to create virtual worlds.

To expand his world, he needs to devour other worlds.

As such, the world ushered in the most greedy, sly and terrifying existence in the world ——— The Gamer

- Description from Novelupdates

Rei just wanted to read novels in peace, no girlfriends, no drama, no accidental death by divine lightning meant for a cockroach…But for now, he is the son of a powerful duke, reincarnated into a fantasy world full of magic, monsters—and dangerously obsessed women.They were childhood friends of that duke son. They all are sweet noble girls. One is emperor’s daughter and one is my older sister. Now they’re grown up… and they all want one thing.And that thing is Rei.Welcome to a world where love means stalking, loyalty means stabbing your rivals, and marriage proposals come with blood pacts and fireballs and even my system mocks me. Rei fiancées battle each other daily and his life is a romantic comedy… except it’s also a warzone.Oh, and his final mission is marry the Demon Queen. A literal succubus overlord trying to conquer the world.Somebody please help him. In a realm of swords, sorcery, and yandere chaos. So, he can find peace or at least keep his limbs attached.