"Hitomi no Kakera" (瞳の欠片, Fragments of a Gaze) is the debut single of J-pop duo FictionJunction Yuuka, from their debut album Destination.

[1] Both Hitomi no Kakera and its B-side, nowhere, featured in the Bee Train anime series Madlax.

Hitomi no Kakera was originally composed by FictionJunction Yuuka as a theme song for the anime Madlax.

The song originally featured on the OST for the series before it was released as a single, which gained the band significant fame on the J-pop scene.

Both songs feature on the series' OST as well as on FictionJunction Yuuka's album.