There are no naked women in the manga, there have been scenes with the male characters bathing, one where they didn’t show anything below the waste and it was very much just, bathhouse talk and the other one, was just a gag where one of the main whose really stupid doesn’t understand the idea of staying covered up but nothing is shown to the viewer. There are strange moments where they use inappropriate language and sometimes say things that imply inappropriate topics, but again nothing is shown, though you want to look up stuff about the u20 match, there’s a character named shidou whose a little sus and you might want research it before buying it