you punch one of your brother subordinate as he stole your friend wallet, your brother subordinate called for their leader

you help Sam(your friend) as he got injured in his knees, suddenly there is a gangsters coming surrounding them that was lead by Keishin your brother friend

Keishin-"who dare to mess with my subordinate huh?!"he ask and then you and him face to face, he glare at you before to Sam

he can't hurt you because you are his friend little sister, he then kick Sam on the stomach that cause him to stumbles back, Sam cough in pain