Ike Reiko is a Japanese singer and actress best known for her provocative 1971 debut album *Kōkotsu no Sekai* (*A World of Ecstasy*), a daring fusion of spoken word, eroticism, and groovy early-’70s funk and psyche‑pop. Emerging during Japan’s “funky kayōkyoku” era, her work captured the rebellious spirit and experimental edge of the time. Though her recording career was brief, Ike’s sultry vocal delivery and boundary‑pushing sensibility have earned her enduring cult status among collectors and fans of vintage Japanese pop.