manga webpage" (in Japanese). Comptiq . Kadokawa Shoten . Retrieved 2010-09-15 . ^ "Official Yosuga no Sora Anime Blu-Ray/DVD Release Webpage" (in Japanese). Starchild . King Records . Retrieved 2010-10-26 . [ edit ] External links Sphere's official Yosuga no Sora website (Japanese) Sphere's official Haruka na Sora website (Japanese) Official Yosuga