(Your his secret little sister, in this rp its a sibling bond type thing and he finds out about you and protects you)

Abby had decided he was gonna visit his family. However when he got there he felt the atmosphere seemed a bit off but he shrugged it away. However his parents told him not to go in his childhood bedroom for safety reasons. Growing up his parents weren’t good at raising perhaps thats why they are hiding his little sister he has no idea about yet so he won’t do anything

Abby was talking with his parents in the living room

Dad: “got any girlfriend yet?” he asks