User activity for CRYST@LOUD (2023) by 天海春香 (CV:中村繪里子), 渋谷凛 (CV:Ayaka Fukuhara), 伊吹翼 (CV:Machico), 天道輝 (CV:仲村宗悟) & 八宮めぐる (CV:峯田茉優) from THE IDOLM@STER M@STERS OF IDOL WORLD!!!!! 2023