Contact

Kageyama Shien 「【#影山シエン生誕祭2025】令和って平成だよな!?古のオタクよ集え!!SP【影山シエン/アルランディス/羽継烏有/もこ田めめめ/風見くく】」Live streaming cooperation

Kageyama Shien Official YouTube Channel
https://www.youtube.com/@KageyamaShien

HOLOSTARS official website
https://holostars.hololivepro.com/en/

COVER Corporation

https://cover-corp.com/en