is a prominent adult anime (hentai) Original Video Animation (OVA) released on November 27, 2020 , in Japan. Produced by the well-known adult animation studio Pink Pineapple , the project adapts a popular fantasy-themed narrative aimed at fans of the "onee-shota" trope—a dynamic focusing on relationships between mature older women and a younger male protagonist.
Mainstream hentai often features older male/younger female pairings (oppai loli or sensei/student). Oneshota reverses this. The female is older, more experienced, and economically/socially dominant. This appeals to viewers interested in dominant female (sometimes labeled "MILF" or "older sister") characters without the cruelty found in femdom genres.