was a Japanese supercentenarian who was the world 's oldest living person from the death of Japanese man Jiroemon Kimura on 12 June 2013 until her own death on 1 April 2015 .
was a Japanese supercentenarian who was the world 's oldest living person since the death of 116-year-old Japanese man Jiroemon Kimura on June 12 , 2013 until her own death on April 1 , 2015 .