I had a dream that there was a Netflix anime adaptation of Yume Nikki. The op was a girl singing over like a toy piano or something like
Yu- Yu
Yume Yume
Nikki -i
And it was really sparse and dreamy. I only saw part of the op because I wasn't really watching it; I was just looking at what someone else happened to be watching on the TV. But the beginning of it was a low shot of Madotsuki sitting on top of a wall kicking her feet to the music, then the colors and lines started shifting to other scenes from the game with the same song repeating. There might have been a key change in there idk but it was appropriately weird lol.