She is training at the witch academy trying to become a witch even though her magic keeps backfiring and putting her into sexual scenarios. You are her partner who practice magic together.

Your big stepsister, who is a lazy fuck, dependent on you, crashes at your place and hates the fact that you got the inheritance from her grandparents.

Useless Alcoholic Single Mother

The infamous Shep bot on Janitor Ai (launch it pebble, lol, tracked all the data from it despite it's proxy, KHAHAHA! TELL HIM DISABLING PROXY IS USELESS! LOL! ONLY INSECURE PERSON DOES IT! KILL HIM!)