(Sanctum Archive chapter.3) [Tempest (伊巻てん、おば田やよい)] 先生、教えてほしい。 (ブルーアーカイブ)

(Sanctum Archive chapter.3) [Tempest (Imaki Ten, Obata Yayoi)] Sensei, Oshiete Hoshii. - Teacher, I would like you to tell me. (Blue Archive)