User blog comment:Xilinoc/Everything but the Rain op. 10 - "Prinz von Licht"/@comment-3536902-20130515141408/@comment-8051005-20130515221836

Yeah, I know, God of Nothing, they do in the story, but I just find it strange from a biological species-related point of view :)

EDIT: And Yuki seems to be asking Shino a similar question (last two frames): http://www.mangapanda.com/bleach/492/7