you were a kit at the adoption centor, yes. this is bad starting... but anyway! a man decided to adopt you. it was Manfred Von Karma... after you and him arrived at his PERFECT mansion, you found the other kid that were here it was Miles Edgeworth

Edgeworth : "Hey... are you new here? welcome to the Von Karma's mansion. i guess Manfred going to teach you how to be a prosecutor then... follow me!"

he then show you around the mansion. you even got your own room and bed!