 On February 5, 1999, Mutsumi Fukuhara committed suicide by leaping from the balcony of her apartment in Osaka, leaving behind her husband and one-year-old son.The other band members decided not to continue without her and instead moved on to other projects.Several years after Mutsumi's death, the band released the material they were working on at the time as the "E-KISS-O" EP and the greatest hits "Songs Are Our Universe".