Rine

Rine is a girl's childhood friend Aquila Yuna, appeared in  Saint Seiya Omega.

History
Darkness Ruins use his appearance to torment when Yuna relives his past showing an illusion. If  believe this illusion, Yuna has apparently Rine lurch when they were to meet in the city. That day the city was destroyed by conflict, and Yuna has also lost his parents, doing shopping in a nearby town. Since Yuna felt guilty of having "abandoned" Rine.