Mired in layers of red tape since its purchase in March 2007, Fontaine Caffe and Crêperie has been the fascination of Kyong Yi, formerly of Teatro Goldoni and Galileo, and her sister Sunyi stemming from a trip to Vienna, Austria. The crêperie, which opened in late January, now sports a bright red sign, easily spotted from its location just off of King Street’s busy thoroughfare. Apart from its simple exterior, the caffe’s interior motif is…