Very similar theme....
1. focusing on a promising highschool girl turned hostess
2. then being bullied jealous by colleagues
3. little by little gains respect from customers, her boss, and colleagues becoming a star in her workplace.
4. main protagonist turns out to be the savior of the club (in various situations) she is working at.
on the flipside.....
1. Jyouou Virgin have AV idols as casts thus the exposing of nude scenes is a plus while Jotei is somewhat on the conservative side (no av idols).
2. Jyouou Virgin focuses on a highschool girl who wants to be love and accepted in society joins a competition of cabaret girls gathered around Japan in run for the prize money, while Jotei focuses on highschool girl who decided to be a Jotei (Empress) - top cabaret sort of legendary title, in order to take revenge to the people who have money and power who steps on the poor for fun.