Stuck in the middle of two worlds

Yuzuki had a good life as a child. But when she grew older, her life began falling apart. Her mother passed away, her brother went to school in a different country, and on top of that, her step dad left. So she was was all alone. But her a foster family soon took her in a raised her as their own, the only bad thing was they were super abusive.

As soon as she began living with them, they put her through intense training and pain, that gives her a lot of knowledge of what being human means. She meets cool kids also in the family and becomes close to them.

And finally, after many years, she runs away escaping the hell hole.

She meets cool new friends and acquaintances. But, she get close to two people finding out who she truly is.
After attending school her and a friend get into an argument and she goes to her old house to refresh but something big changes her life