Hiroki Kitayama (born September 17, 1985, in Kanagawa Prefecture) is best known as a member of the J-POP boy band Kis-My-Ft2. He signed with Johnny & Associates in 2002 and joined the boy band Kis-My-Ft2 under the management of Johnny & Associates.As one of Kis-My-Ft2’s most popular members, he performed solo parts on songs such as “Sanagi” (2012), “Rock U” (2013), and “Give Me...” (2013), laying the foundation for his subsequent solo career.He has also appeared in television programs (such as the 2012 show “J’s Journey: A Solo Backpacking Trip Across India,”the 2013 program “The 10,000-Yen-a-Month Challenge,” and the 2014 program “Family Hunt,” among others) and movies (such as the 2019 film “Tiger: My Life as a Cat”).Building on this acclaim, he partnered with Tobe, a new talent agency, in 2023. That same year, he released his solo debut single “Ranshin” (2013), which debuted at No. 25 on two Japanese charts.Furthermore, her album “ZOO” (2024) influenced both the Japanese music and television industries, leaving a lasting impact on the entertainment world. Her second album , “Hamon, ” also charted highly.In June 2026, she released *ULTRActi:on *, her second album following her move to the newly established label “RED ON.”