Naruto: The ten tailed God

The Juubi was the protector of many worlds. When multiple worlds are in need of his help, he split himself into three; his Ki went to Goku, his spiritual power went to Ichigo, and his will power and body went to Naruto. After fusing back together with Naruto in the driver seat, he goes to another realm to stop the Akatsuki again Naruto/Harem