After the band dissolved in 1971, Shin became a solo singer and retired in 1973. After that, he continued his musical carrer in a band with Paul Daigenji and others, and while he was active as an actor, Shin also ran a high-class membership club in . With the reunion of original band in 1981, he was energetically performing live stage and TV appearances. Shin even joined the Tigers Memorial Club Band in 1988. On April 19, 2009, one day before his 60th birthday, an acquaintance woman was found his dead body in a bathtub in his apartment in Atsugi. It was not incidental, and it was subsequently determined that he had heart failure while taking a bath. According to psychiatrist and former member of the Osamu Kitayama, confirmed to the news article that Shin did in fact died from a heart failure. He was 59 years old at the time of his death, one day before he was 60. 