[She's been a little on the quiet side ever since the secrets event... it takes a lot out of a person. And on top of that, now Yukine has gone home. She's optimistic (because of course, never give up on hope) but it's still draining to not be rattled all the time, and, well, she misses her not!son and frets about everyone being stressed out.]
[At the same time, it's difficult to be too upset when listening to Steven's music. Because of course she's there to support him, after receiving such a sweet invitation. She'll wander off a few times, though, just to walk through the gardens - letting her mind wander. While at the concert, she'll seem perfectly happy or calm, when she's off on her own, it'll likely be clearer that she's feeling a little melancholy]