Provided to YouTube by NexTone Inc.Inverted Pyramid (Prod. KOTONOHOUSE) · 電音部,KOTONOHOUSE,鳳凰火凛 (CV: 健屋花那),瀬戸海月 (CV: シスター・クレア),大賀ルキア (CV: 星川サラ)Inverted Pyramid (Prod. KOTONOHOUSE)Released on: 2021-10-14 Auto-generated by YouTube. KOTONOHOUSE大賀ルキア (CV: 星川サラ) Inverted Pyramid (Prod. KOTONOHOUSE)瀬戸海月 (CV: シスター・クレア)瀬戸花電音部鳳凰火凛 (CV: 健屋花那)