At the beging, Akuro killed Hikari's parents. With that it left Hiei with training a small girl and he again had to leave for a year. Leaving Mukuro alone to turn the ten year old to an elven year old assassin child. Once he came back he looked truly different and wouldn't speak of his mission of the year. Now his off again as Mukuro won't give him rest.
Yoh made friends with Isuna Kaze a seven tailed Women of the mist that help fake ' Akuro's death a side he doesn't even know that is alive and is a tool for Mukuro more less. He now hangs out with Isuna and Ina a lot when his not in the mood to deal with Mukuro. How will this life roll more and who was Hiei working with for a year?