Kiniro no Mabinogion: Arthur Ou no Imoutohime
金色のマビノギオン ─アーサー王の妹姫─
Tamaki, a girl with golden eyes, goes on a school trip to England with her childhood friends Makoto and Hironori. They become lost in an unfamiliar place where they discover a boy with the same golden eyes as Tamaki, lying dead.