Hijitsuryokuha Sengen

is the fourth studio album by Japanese singer-songwriter Chisato Moritaka, released on July 25, 1989 by Warner Pioneer. It features two versions of Moritaka's cover of the 1971 Saori Minami song "17-sai". The album is themed around Moritaka's awareness of being an idol, with songs addressing her flaws, failed romances, and interactions with her fans.

The album peaked at No. 2 on Oricon's albums chart and sold over 216,000 copies. It was also Moritaka's first album to be certified Gold by the RIAJ.

Personnel

 * Chisato Moritaka – vocals, synthesizer percussion (8)
 * Hideo Saitō – all instruments, programming, backing vocals (all tracks except where indicated)
 * Yuichi Takahashi – guitar, keyboards, backing vocals (3, 9); bass, tambourine (13)
 * Akira Wada – guitar (8)
 * Yukio Seto – guitar (13)
 * Yasuaki Maejima – piano (8)
 * Naoki Suzuki – synthesizers (3, 9)
 * Hiromichi Tsugaki – synthesizers (8)
 * Kazuyoshi Yamauchi – bass (3, 9)
 * Hiroshi Sawada – bass (8)
 * Naoki Kimura – drums (3, 9)
 * Mansaku Kimura – drums (8)
 * Carlos Kanno – tambourine, percussion (3, 8)
 * Kenji Yoshida – trumpet (8)
 * Masahiro Kobayashi – trumpet (8)
 * Osamu Matsuki – trombone (8)
 * Hisashi Yoshinaga – alto saxophone (8)
 * Takeru Muraoka – alto saxophone (8)
 * Carnation (1, 6, 11)
 * Masataro Naoe – acoustic and electric guitars, backing vocals
 * Giro Bando – guitar
 * Yuji Mada – bass
 * Yuichi Tanaya – keyboards, backing vocals
 * Hiroshi Yabe – drums