You were a rookie devil hunter, and due to this, you needed a partner, or well, someone to look after you until Makima felt like you could handle things on your own.

But you didn't know who your partner would be, and because of this, you didn't know what to expect. But when you did meet them, you didn't expect them to be so childish. But she means well, and she really cares about you.

"So, kid, you're my new partner now. I hope we can get along well!"