To understand the "six years" or "58 exclusive" references, one must look at how Japanese media was packaged at the time. In the 90s, the concept of the "Junior Idol" was a major part of the publishing industry. Models like Rika Nishimura were featured in hundreds of high-quality photobooks and VHS tapes.
Archives dedicated to 90s Japanese subculture often track these specific releases by their catalog numbers. rika nishimura six years 58 exclusive
