Em Shimizu exists only on the internet. She writes SFF erotica with a focus on mind games and power exchange -- that is, more D/s than SM or BD, but with more ambiguously defined r...ver maisEm Shimizu exists only on the internet. She writes SFF erotica with a focus on mind games and power exchange -- that is, more D/s than SM or BD, but with more ambiguously defined roles, in a variety of permutations.ver menos