
According to the latest issue of
Nao Kurebayashi. The first series tells the story of a woman who works in one of Japan's ubiquitous "hostess bars" and competes to win the grand prize in a "Hostess Grand Prix," while
Jō-ō Virgin focuses on a group of young women who are eligible for a new Grand Prix competition because they were born in the Heisei era (the year 1989 or later). The original series was already adapted into a television drama in the same time slot in 2005, making this the second time the series has been adapted for a live-action format.
Source:
Comic Natalie