Also known as Sho-Ken, he was the lead singer of The Tempters,[1] which was a blues-rock band connected to the Group Sounds scene, and gained big hits in the late 1960s.

Hagiwara was known for his good looks and wild vocals, which appealed to young male and female fans.

[2] After The Tempters, he formed the band PYG along with Kenji Sawada, the first true Japanese supergroup, a unit which included members of The Tigers, The Tempters, and The Spiders.

[4] After being highly praised for his acting in the film The Rendezvous (1972), he appeared in many films and television shows, including many films directed by Tatsumi Kumashiro and such hit TV dramas as Taiyō ni hoero!, Kizudarake no tenshi, and Zenryaku ofukurosama.

[6] On 26 March 2019, Hagiwara died of a gastrointestinal stromal tumor at the age of 68 in a hospital in Tokyo.