It's pleasure that you had acceess this QR.
The man on that sticker is called "Takahiro Karasawa" and he actually exists.
He became famous as a kind of "Internet memes" and become popular in Japan.
So I want to spread this memes into world, when you find this please tweet this sticker with tags #尊シール ,#TakahiroKarasawa and it will expand!