Board Thread:Questions and Answers/@comment-25951143-20150101110046/@comment-25814498-20160620013432

SuprK1 wrote: When was that confirmed? That Nanika came from the Dark Continent?

Why do you think her sex is male?

blog:Martialmaniac/Confirmed: Nanika from Dark Continent and 5 Calamities Here.

Alluka is indisputably male(biologically speaking); if she weren't he wouldn't be referred to as male by so many of the characters, and the data book also confirms it, referring to her as "One of the 5 Zoldyck sons".