[The first thought that comes up in Ai Thao's mind is how on the surface, Lien and her Servant seem to share the same relaxed attitude; one, while acknowledging the direness of the world around them, still found time to indulge themselves because it would be now or never.

Secondly, the Bounded Field...]

You've taught yourself how to make a good Bounded Field, didn't you, Chị.

[Lien shrugs, not bothering to confirm. In a few minutes, everyone has a hot cup of tea in front of them. The cake would remain untouched for now because it's clear Ai wants to get down to business.]

First thing's first... How long have you both been contracted with each other?