Naked (hadaka) apron is used to refer to when a person, usually a woman, wears an apron over the otherwise either nude, or partially underwear covered, body. The epitome of the "teaser shot", naked apron often covers the breasts (or at a bare minimum, the nipples) and genitals while leaving the buttocks exposed, although aprons that only cover from the waist down also leave the breasts fully exposed.

(Copied from Danbooru)