seeing as you is being used to address the reader, it would be second person. 1st pov uses I, me, we, and is from the author's words. 3rd uses they, she, he, him, or not personal pronouns.
I was alone with my sister at home. She was 4 years old and i was 7. She broke the vase and tell mom i did it. And of course mom believed her because i was an evil child.
