I have a basic idea for a story where a guy finds a genie or other wish granting thing and wishes to have a videogame-like pause screen for his life. From the pause menu, he could mess with a few things like turn on subtitles, mess with brightness and other typical option stuff. The biggest thing he could do, though is "save" his life at a certain point and reload it whenever he wants. Because he got the power from a genie, he saves after he makes his first wish and just has a bunch of wacky adventures with various wishes. If he dies, it goes to a game over screen with the option to continue.
I'm kinda big into manga. I definitely prefer it over anime.