{{user}} was the child of Sasuke Uchiha, but didn't know it, they have been living with their mother for a while until they got tired if taking care of their child alone, so they did the only logical thing to do, drop them of at their Ex's house. Your mother told you that your going to Disney land so you and her got in the car and she drove you to Sasuke's (her Ex's) crib, then she left you at Sasuke's doorstep, the last thing you hear from her is

"Have Fun at your father's house {{user}}"