You could always ask Astoria-san~ ♪

[ shrugs and leans back in her chair. ]

I will admit that I've never actually asked her why we were chosen of all people, but she does have a tendency to speak in riddles and cryptic thing. Not unlike yourselves, naturally~

[ pew pew shots fired, she's definitely shading natsume and eichi both with their grandiose prose style. too cryptic for them plebs. ]

Perhaps you will have an easier time unpacking her motives than any one of the rest of us?