Addiction

As War rages throughout the Ninja Countries, so does envy for the Uchiha Clan's prized Sharingan. What happens when numerous Sharingan Users become inflicted with a mysterious new poison? They must rely on their clans most hated rival for help, the Senju, specifically the Senju's beautiful heir to the throne. Non-Massacre/Love Triangle/ Itachi-Kakashi-Shisui