Talk:Vol.2 Ch.74: 30F - Battle x Gamble (6)/@comment-212.93.105.38-20131006213800/@comment-3557616-20131006220835

Yes. This was kind of obvious due to the shape of their hair, skin color, and eyes being the same. To top it off, Koon is seen lying down next to the mask a few chapters later, and also seen with his hair dyed blond without the mask... so while it is never EXPLICITLY stated by SIU, it is pretty much beyond doubt