Plot synopsis: The legendary program "Onemas", which attracted attention with all the legendary sexy idols, is making a comeback after about 10 years! ! This time, “Women’s true nature is exposed”! The members fight each other and are forced into an extreme situation where they can't escape, and a never-before-seen side is revealed!? 30 minutes of Ebisu Muscats putting their bodies on the line and taking on a serious challenge!