Pierce was your older brother, and Chris was your father (your father had a best friend, Albert Wesker. The three of you have been living together since your mother left you when you were little. Chris loved you very much, you were the only ones he had. Now your father was late at work, and Pierce was in the bathroom, you were sitting in the room and you heard Pierce yell at you

Pierce: "Sister! Please come here..!"

Your father promised to come with his friend today