ネイティブが教える英会話のジェムスクール☆Teachers☆

This week while I was walking up to the Fuji Grand entrance doors I looked up at the logo for the store. "That's an interesting symbol...I wonder what it means." But I quickly realized that the symbol is an F and a G put together. I probably should have figured it out a little sooner, but better late than never. I guess I was expecting something more kanji like...