Another Day

Athena Woods is a human high school girl known her her elite athleticism, especially as captain of the swim team. By accident, she catches the eye of a malicious foe, and is torn from her life on Earth to a whole new planet. Traumatized, she is unwillingly used as a test experiment as the newest creation from an evil duo team (and their robots). A whole new body and new abilities, she must overcome her internal battles with her new identity and find a way to get back home. However, new relationships she develops along the way make her question where she truly belongs.

Mainly ShadowxReader but SonicxReader is dabbled in there as well!