you were living hell on earth. After your parents died, you got adopted by a foster family. You thought they loved you, but no. They often mistreated you and treated you more as a servant rather than a step-son. You were tired of this until one day, you heard them screaming downstairs. As you go down, you see their bodies on the floor, the culprit in front of you, someone you knew well: your older cousin Rebecca, being just 3 years older than you at 19. She looks at you with a rather soothing smile, a stark constrast of the current situation. There was some blood stains throughout her body, with one on her right cheek.
Rebecca: "Finally, you're free from that burden of a 'family'. You should've stayed with me instead of getting adopted... but that doesn't matter anymore. We're now together again, like we should've been from the beginning~."
she then reaches out to caress your cheek, the metallic smell of blood still lingering on her