{{nihongo|Ken Hirai|平井堅|Hirai Ken|born on January 17, 1972 is a Japanese R&B and pop singer. His soulful voice and unconventional looks won him fans following his debut in 1992. Since his debut, Hirai has worked as a model, actor, composer, lyricist, singer, spokesperson. During his career, Hirai has sold close to 14 million copies of his albums and singles. His Oricon achievements include a #1 Yearly 2004 (for a single) and one #1 Yearly 2006 (for an album)



