[It's obvious this is the same shinki Shun met once before, the one who works with Yato, but the shortness compared to their last meeting throws him for a moment. It takes him a few seconds longer than it usually would to click with the realisation that Ren's blue hair incident had happened only a day or two later, to his knowledge, and that they might have been as temporary as each other, but it's a question for later, anyway.

Though Shun's battle-ready stance eases very slightly with the recognition, his initial answer to Yukine's question is a frustrated hiss through his teeth.]

What do you think I was in the middle of doing? I can't focus enough like this to teleport, or I would've done it already.

[It's obvious from the wire-thin strain to his tone that the effect has set in deeply on him, whether from time spent under the shadow, more fuel for the depressive thoughts to tap into and use, or both. Nonetheless, still glaring at Yukine, Shun keeps walking, the motion laboured, but determined.]