The setting is a an RPG-style world with swords and magic, where adventurers form a party to challenge the demon king's right to rule. But, the adventurers all have beautiful breasts, enormous breasts, and bikini armor!!

[Source: official website via Anime News Network]

According to the official Hobby Japan website, an unaired episode of Bikini Warriors will be bundled with the Blu-ray volume to be released on December 9th, 2015.

[Source: Hobby Japan]