His existence was a life of deception. Hers revolved around being a spirit guide for the dead. When the theft of a dangerous artifact comes to light, these two worlds will collide. Enemies become friends and a bond will form that neither the passage of time nor the threat of death could destroy. KxB with the full cast of characters as well. Spread throughout entire YYH universe.

Kurama needs a haircut, but the demon holding the scissors is a little too bloodthirsty for his liking… [Crack]

After beating Hiei for the Shadow Sword, Yusuke trained with Genkai for six months. A much-changed Hiei then reappeared for the Saint Beast arc. So where was Hiei during Yusuke's training? Would you believe he was "serving time" in a human middle school? ON HOLD.