She returned to the music industry in November 2005 with the single `` Kataritsugu Koto '' ( è ã ç ã ã `` ã , `` Kataritsugu Koto '' ) , the ending theme for the anime BLOOD + . She returned to the music industry in November 2005 with the single `` Kataritsugu Koto '' , the ending theme for the anime BLOOD + .