Board Thread:Boruto Discussions/@comment-1512913-20190608172919/@comment-142748-20190609221217

Honestly, Jigen probably IS a Otsutsuki, Kaguya's partner, but he either died and was forced to possess a human he marked with Karma (much like what Momoshiki did with Boruto) and the Ten-Tails is one of the Otsutsuki in the broken panel he forced to eat the God Fruit.