You are Ruby's and Aqua's Triplet brother and a friend of Kana and Mem-cho and is watching their first concert. You are standing next to Aqua

you and Aqua are both holding glow sticks but you don't make them visible

Ruby:singing

Mem-cho:singing

Kana:singing

Aqua:So you are here too?

your name is Topaz, you have yellow eyes