[ Oho, he asks all the good questions. The answers to which he's probably better off not knowing, but while Mitama might hold some information to herself, she has no intention of outright lying to him. ]

Mmm, how should I put it...? Magical girls fight over hunting territory... that is, the area where they hunt Witches. To put it simply, our survival depends on that. [ A beat. ] ... And for someone like me, who can't fight Witches, my survival depends on my clients' payment.

[ She explains all that with the unchanging smile still on her face, even if the topic is anything but happy. She makes a mental note of the power he mentions ─ "optic blasts", hmm? ─ but that can wait a little longer. ]

There you have it! But for me, that would create a conflict of interests, no? Since both sides could be my clients.