Apparently this is from a fireworks/drone show for the last day of the life-sized gundam robot in Yokohama, which is being taken down.

I think the Yokohama Gundam installation was originally planned to be taken down in 2022, so at least it got to stay up a few more years. I wouldn't be surprised if they make another life size RX-78-2 (I think they took down the original to put up a Unicorn Gundam).

I like how the Char and Amuro scene is even gayer than the Suletta and Miorine lol.