Sekiro: Shadows Die Twice is a rather nice-looking game that unfortunately doesn't have a photo mode, but that hasn't stopped avid screenshotters from finding a way. Jim2point0 (recently responsible for the Resident Evil 2 camera hack) has been using Cheat Engine to take some pretty screens of Sekiro, and has shared the table he used to do it. You can toggle the HUD, alter FOV, and now he's updated it so you can freeze time, or just enemies, to line up exactly the shot you need.
Screenshotters have been doing some impressive stuff with Sekiro. For instance: