八掛うみ 8時間 BEST PRESTIGE PREMIUM TREASURE vol.01 全6作品+未公開映像で「八掛うみ」の軌跡をたどる永久保存盤！！
Umi Yatsugake 8 Hours BEST PRESTIGE PREMIUM TREASURE vol.01 A permanent preservation board that traces the trajectory of "Umi Yatsugake" with all 6 works + unreleased video! !!
