Beast and Shadow (Leone x Male Reader)

The New Order has established their reign over the lands. Your family was killed when your father was accused of conspiring against them. Barely surviving the attack, you inject yourself with a technology that you were asked to hide. After meeting a woman and helping her from a bunch of thugs. She helps you recover and allows you to join a group dedicated to ending the New Order's reign. At first you saw her as an older sister, but it soon becomes something more than just that.