Talk:Vol.2 Ch.229: 39F - Hell Train: Wangnan (4)/@comment-6166034-20161219111801

Oh my Gosh, the blogpost actually reveals even more ahaha." As they're 'Princes' as stated in the prologue for season 2,

The stories of those with the rings (Wangnan, Karaka, etc.) shall be revealed as we go on."

So it was them from the beginning (no misinterpretation possible) and (etc.) = there are more of them ahahah.