Board Thread:Theories and Speculation/@comment-24824859-20151203011901/@comment-2120712-20151203234938

Thekillman wrote: Elveonora wrote: The Otsutsuki were not humans According to the definition of a species, they're humans.

You realize how infamously bad Kishi is at science right? Tread ye softly when trying to apply real world science to Naruto. They are aliens who are compatible to humans when it comes to breeding. Cross-species breeding in nothing new in the manga world(DBZ, Bleach, and so on).