This was SMASH 2016 I think, when it was still held at Rose Hill Gardens. This is one of my favourites because I made the itasha to go along with it (it was a weird period of my life). This one’s Taobao-sourced as well, because I was too stressed trying to prepare the car at the same time.
The reference image is by Hizaka, and can be found here: https://twitter.com/hizaka12/status/1257703311949459461