Talk:Koutarou Amon/@comment-90.192.206.150-20160229010926/@comment-10733658-20160229052732

Simple reasoning:

There was only one person making half-Ghouls using Ghoul Investigators. That one person, Dr. Kanou, only had one donor until recent months.

Ergo, Amon must be an Ukaku because that is the only available RC type.