Twenty-plus tracks of idol pop, gothic drama, and slot machine tension that somehow coexist without falling apart. "Emerald Radiation" is the standout, hitting with a heavier instrumental edge than you'd expect from this franchise.
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"Noctune" and "Last Desire" lean into darker, almost visual-kei territory. Then "Good Day!" and "Arigatou" snap you right back to cheerful idol mode like nothing happened. The underground stage BGM medley threads all the mood shifts together surprisingly well.
"Cage" is genuinely moody. "Kamen No Oku No Ecstasy" goes places. The whiplash between cute and sinister is the whole appeal here, and it commits fully to both extremes. Worth it if tonal chaos sounds fun to you.