Death March kara Hajimaru Isekai Kyusoukyoku (WN) - Book 17 - 17-20. Demon God

In the magical Yowein Continent, Igor the naive young man is pursuing the secrets of the Adventurer.Witches, politicians, ambitious individuals, and all sorts of characters have inadvertently squeezed into the young man's extraordinary journey due to a strange stone.However, none of these has anything to do with the monster...The monster, the One-Eyed Monster, enters Igor's journey like a bolt of lightning, confusingly revealing another secret of the Yowein Continent...

Travel across different worlds and become a fallen aristocratic lord. With the help of the proficiency panel, you can start your liver experience with the ancestral knight breathing method, follow the wizard’s footsteps step by step, and embark on a bizarre and mysterious journey.

A teenager named Evan Mason was reincarnated into the magical world of Harry Potter and goes to school at Hogwarts!
With only his knowledge of the future and great talent for magic, he takes the path towards the top of the magic world, only to realize that ever step he took, changed everything!

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Descent of the Phoenix – 13 Years Old Princess Consort

The strongest female assassin from a special assassination force met her death one day on a mission. To her surprise, she woke up in the body of a 13 year old girl, Mu Rong Liu Yue. Through Liu Yue’s past memories, she found out that she was bullied due to the huge birthmark on her face, even though she came from a renowned family. Liu Yue was beaten to death by her own cousin, and that’s how she managed to enter Liu Yue’s battered body. The assassin then decided to live her life as Liu Yue and swore to avenge her death.

- Description from Novelupdates