"Yubiwa" (指輪,Ring) is singer Maaya Sakamoto's seventh single, released June 21, 2000. It was also the ending theme for the Japanese anime film Escaflowne. The lyrics were written by Yuho Iwasato, while the music was composed by Yoko Kanno. Although the lyrics do not specifically say so, the ballad is probably about a girl saying goodbye to the one she loves—the song is sung by the female character, Hitomi. The cover image was drawn by Nobuteru Yūki.