This work by https://www.swantower.com is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

These sculptures were displayed along an exterior wall in (I think) Gion, along with an adorable open-mouthed frog to which you were asked to feed 100 yen if you took photos. (Of course I fed the frog.) The faces were kinda creepy, but also kinda cool, especially at night.