User blog comment:Lia Schiffer/418: Deicide 20/@comment-2174760-20100903220131/@comment-1454424-20100904023347

As CJett92 said, that's just an error. Aizen said "Ichigo is the son of a human and a..." cue entrance of Isshin completing the sentence. It was confirmed when volume 46 came out. You can find details of the issue here. Please also relay this information to any of your friends who might be suffering from the same misconception and thinking that Masaki is anything other then a human. Together, let's squash this particular bit of misinformation!