Hajimete Dakedo Camera No Maede summary:

Satsuki’s just started a part-time job at an AV studio and has been assigned to the set of a gay AV. He’s complaining to a friend during his break when Sudou, who stars as the handsome top, appears looking for Satsuki. Satsuki hurries back to work, but he knocks over and breaks a camera in the process… In order to compensate the studio for the expensive camera, he stars in a gay AV himself. Despite it being his first time, with Sudou’s amazing techniques he’s even able to have an anal orgasm. After this, will Sudou and Satsuki’s work become a series…?!