[Jun hadn't caught sight of what was beyond the corner, but when his friend calls his name he'll take a few steps to see what's up. When he sees the body? He freezes, before violently ripping his gaze away in favor of looking at the wall.

Don't look don't look don't let yourself remember-

He squeeze his eyes shuts, breathing sharply through his nose.]

...One of the failed candidates. [He tries to sound as detached and clinical as possible. And it almost succeeds. Almost. There's no hiding the slight quake in his voice] They'd send several of us in here at a time. Either you survived and became stronger for it, gained favor of a spirit, or...

[This. And considering the age of the so-called "failed candidate", it's not hard to guess what the most common outcome was.]