Toaru Kagaku no Railgun: Entenka no Satsuei Model mo Raku Ja Arimasen wa ne.

Mikoto Misaka and her friends trade Academy City's laboratories and school corridors for a sunny beach photo shoot. Modeling swimsuits under the blazing sun sounds simple, but between embarrassment, competition, and everyone else's very different ideas of how to pose for the camera, the assignment becomes another exhausting day for Mikoto.