特捜戦隊デカレンジャー
Nishi debuted in 2002 through the model activities. In 2003, he starred in "Bakuryū Sentai Abaranger" as Ryoga Hakua/Aba Red. In 2014, Nishi reprise his role as Ryoga Hakua/Aba Red in the film, "", for the first time in nine years since "Tokusou Sentai Dekaranger vs. Abaranger". On May 5, 2015, he was married.