 Nishikido was also the co-lead vocalist and second guitarist for Kanjani Eight, a Johnny & Associates boy band made up of Johnny's Jr. members originating from the Kansai region in Japan.Nishikido held his first solo concert in 2006.He also started playing major supporting roles on prime-time television dramas such as "1 Litre of Tears, Attention Please" and "Last Friends."