Friends and Family
Hiei is Yukina's twin brother. He really cares about his sister alot and watches over her alot. She seems to have alot of trust in him and she askes him to look for her brother for her.
Hina is the mother of Hiei and Yukina. When they were born she cried two tear gems which were given to the twins. She dies before Hiei returns to the Koorime Island.
Ruri was the one that was assigned to throw Hiei over the cliff while Hina cried in greif behind her. She is the one he talks to when he comes back to the village. It takes her some time to realize who he was but when he begins to walk away she trys to chase after him but falls and begins to cry.
Kuwabara is in love with Yukina. She seems to like him but does not really under stand his feelings for her.