[She'll be non-existent to most people before it, until it's her time on soundcheck. She'll be there, she wouldn't miss it for anything.
After that anyone can meet the cool, calm and collected looking gothic lolita somewhere near the stage - backstage, in front of it, on the side. Or she's getting something to drink, or reading something (lyrics of her songs for today, as if she doesn't remember them - or that duet with Ren, that's what she's mostly looking at.). There's her Espeon walking near her too.
Before the concert // what I said about being late on Mitsu's comment
After that anyone can meet the cool, calm and collected looking gothic lolita somewhere near the stage - backstage, in front of it, on the side. Or she's getting something to drink, or reading something (lyrics of her songs for today, as if she doesn't remember them - or that duet with Ren, that's what she's mostly looking at.). There's her Espeon walking near her too.