Marvel: Start with Level Five Mutants - Chapter 2: omega mutants

A girl Alicia lived as an orphan in a world of sword and magic Ciel.

One day, she learned that she was an “otome game’s heroine”. Even her parents’ death was simply a part of the scenario. Alicia judged the heroine’s setting as 「nonsense」and discarded it decisively. She introduced herself as adventurer 『Aria』, gradually mastered multiple weapons and magic, and grew to become the 「Ash Crowned Princess of Slaughter」! But, by accepting a request to guard the “villainess”, before she realized it she got dragged into the stage where nobles quarreled against each other――？

「I am “I”. I’m not a game character!」

Create weapon! Train your body!

Survive the fighting against powerful enemies and smash apart the otome game!

A sublime and exhilarating other world battle fantasy with charming fighting heroine!

In her last life, she was miserable and ordinary. This time, she got into the fashion and was reborn in another world. She was still the same person… even with the same body and face. What was the point of reincarnation? A childhood companion? He always pulled her hair and made troubles for her? A handsome boy? The boy never looked at her and was 15 years older than her! A prestigious teacher? The teacher spent his days eating and drinking, coaxed, played tricks, and controlled others… Too scary and better run away? No no no, such a challenging life was bound to be wonderful! Now let me take you back to the 70s and live a fast life!

- Description from Novelupdates

Xiao Yanling traveled through time.

Yan Suisui, the cannon fodder and silly sister who transformed into the heroine of the Koi novel.

She is from the same mother, but her younger sister has stolen her luck, and she is the little lucky star favored by the group in the capital.

And she became a disaster star.

She was sent to the countryside and lived a life of stupidity. The whole village was slaughtered and her life was miserable.

The three brothers in the adoptive father’s family died without a burial place.

Twins are born from the same birth, but they have different fates.

Yan Suisui put her hands on her hips, and her words came true, and her words followed the rules, pointing out who was struck by lightning.

She wants to change everyone’s destiny! Take back your luck!

On the day she was brought back to the capital, the whole capital was eagerly waiting to see her joke.

But who would have known that the poor eldest brother was the youngest chief minister in the dynasty.

The second elder brother is already a general guarding the dynasty.

The third brother controls the world’s granary!

The aloof tyrant was standing cautiously at the city gate, waiting for his little ancestor to come home.

- Description from novelbuddy

Suddenly a high school student Subaru Natsuki has been summoned to another world on the way back from the convenience store. With the biggest crisis of his life being summoned to another world and no sign of the one who summoned him things become worse when he is attacked.