Congratulations and I love this anime, seen all the completed seasons so far, can't wait for the other to finish so I can watch it. Great job on the image.
The chara are by Shinteo pixiv and deviantart. Lots of great anime and game chara. The room I think tis Phantasmagoria's SF Factory Control Room, stripped out.
Great work here love the way you composed this scene Please what is background set and also where did you find those cool characters? Would love to do a fun scene like this