[Her kick knocks against his knee, but it might as well be the same as striking a heel against a brick wall. Even so, Sephiroth lets go, quick to watch if she’ll make another attempt at an attack, but none comes.

He straightens, eyes roving across her frame, once again noting how time has made her appear a little older, her face less rounded by youth. It threatens to stir frustration in him again — how often will this happen, this time discrepancy between himself and the rest? — but he tamps it down. Returns to a casual stance with his sword at his side, almost surreal in his stillness as he regards her.]

For the same reason as you. Taken from Gaia with no way to return, for reasons unclear.

[Sephiroth allows that to settle, the silence hanging heavy.]

...The last I saw you, we had our picture taken. Do you recall that?