In-game Description

JP: [Tetrarkhia]西館ハク
「……いつかライブを予告するだけで、チケットが即完売するようなアイドルになりたいなあ」

EN: [Tetrarkhia] Nishidate Haku
"......Someday, I'd like to become an idol whose tickets get sold out immediately just by announcing a live."