Yuu Ibara (茨 夕) is a supporting character in Nanana's Buried Treasure, voiced in Japanese by Eri Suzuki. The series' music includes "【MAD】Ryuugajou(Nanana's Buried Treasure龍ヶ嬢七々々の埋蔵金OP )", "Ryuugajou Nanana no Maizoukin - Ending HD Creditless".