Isekai Danyuu: Shirudanyuu ga Isekai Tensei shite Ero Chishiki Full Katsuyou de Musou Danyuu ni Naru Hanashi

Synopsis

On his way home from work, Seiji Aogai, a struggling actor in the JAV film industry, accidentally looks away and gets hit by a magic mirror JAV Truck! He wakes up in a medieval-like world and gets caught up in "filming" with beautiful elves?! (Source: Shueisha, translated)