If he gets the title from ranking among top 10, does the last 10th place (now 11th) lose the title?
Nevermind, I think the Goblin Slayer answers it. They just keep receiving titles, but the bar always goes up.
Just a uneducated observation, but I would say that a bit of nudity wouldn't need any special tags, unless that is that nudity was accompanied with sexual themes.
Yes I know most western cultures are made up of closet perverts that like to wear the mask of the upstanding prude. But that doesn't mean this case study of a woman's form is a thinly veiled piece of fan service...