Was there when you were summoned. Ask them who the summoners were.
Sees your human side. Ask them why.
You could probably take this hunter in a fight, but you’re not certain. Together, decide when the last time you threw down was, and what interrupted your fight.
Romantic obsession on your part. Ask them if they know about it, and if they reciprocate it.
Tied into your destiny somehow. Tell them how they fit into your first sign of the Apocalypse.
Saved your ass when the s$*% went down. Ask them how.
You met while separately hunting a monster. Ask them why you now work together.
Your good friend. Tell them if it's from way back, or recently.
You are suspicious about their motives. Ask them what they did that gave you doubts about them.
I thought I'd at least put these out so that people can comment on them. I'm still considering where to direct various ones of these and which ones to use. (as well as the minor confusion about whether we're to this point yet.)