Let's see if we can decipher those mysterious hieroglyphs. First two kanji mean "Harajuku". Second line means "welcome". Third kanji refers to a shop of some kind. "Welcome to the Harajuku store", or something (Totally guessing, here).
I think it is referring to the Harajuku Hello! Project shop. So yes, "Welcome to the Harajuku shop" would be an appropriate translation. I think the shop is older than Egao YES Nude though....
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