Fuyuka Kosuga

小数賀芙由香 (Kosuga Fuyuka) is a former Japanese idol. She was first introduced as a S/mileage sub-member on August 14, 2011 and resigned from the group on September 9, 2011 due to health reaso... 小数賀芙由香 (Kosuga Fuyuka) is a former Japanese idol. She was first introduced as a S/mileage sub-member on August 14, 2011 and resigned from the group on September 9, 2011 due to health reasons. She made her return to Hello! Project in March 2012 as a 14th generation Hello Pro Kenshuusei member. On May 4, 2014, it was announced that she completed her Hello Pro Kenshuusei training.