Tailed Beasts

Thirteen years before this story begins, a monster named Kyuubi nine tailed fox to attack Konoha, a shinobi village located in the country of Fire. Confusion occurred in the village of Konoha and many fell victim .... At last there was someone who managed to seal the Kyuubi into Naruto's body, someone who managed to seal the demon fox's tail is known as the Yondaime Hokage, Hokage Minato Namikaze the 4th or the other is the father of Naruto. So powerful was the Kyuubi so that the sealing was to be paid by the death of Yondaime Hokage himself