[He doesn't yet sit, instead going to the desk in the corner of the room and picking up a large black binder. From there, he calls over his shoulder.]
I think if we can agree to let go of past grudges, that would be fair, hm? After all, the stakes are entirely different here. It may be useful to have more allies in the future!
[Not that Izaya ever really has allies, but he can play the part well enough.]