A story about a young girl, who's about to turn 18, and yet hasn't found any mate yet, and because of this, she was known as "nobody-wants omega". She has decided as soon as she turn 18, she will leave the place, and be free from those bullies, but when she turned 18, her mates came, and not just one, two, or three... she has four mates.

A cosmetic chemist who went home to some of her old things and found her old tablet full of stories she wrote back in high school.She read all of them back home and cringed, but for some reason when she woke up from slumber, she was not on the same place anymore but in the story she wrote back in high school.

A young gambler that is too good at winning, and too bad at losing, she is called the Goddess of Games and Gamblings, she was wanted by all of the organizations that wanted to monopolize her for planning and winning, and that\'s why she is famous in gangs and mafias too. But she got killed after being stabbed and got reincarnated into a manga that she had never once read, this manga is full of gangs, a thing that she promised to avoid in this new life of hers. What will happen to her promise that living peacefully and away from the things that she was surrounded with in her past life, if her cousin is the main character of the manga called Tokyo Revengers, without her knowing anything?