This all started as a joke about the feeling when you're watching YouTube Premium on one screen while people complained about ads and ad blockers on the other.

This scene borrows from a lot of places. The setting is a bath in the Kylal Palace from the story Agwilika Rhe. The statue on upper right and the lamps along the tops are miniatures of the Serii Shrine from the story Elehura. Sheshai and her shadow are in the lower right. Baku of the Red Triplets in the back is reading the novel Sheshai the Purifier. Must be reading one one of the really good parts as she glances over at the titular characters.
In the middle of the bubble bath is a Prerart, still yet to be named. They may just stay on as a buddy of Sparky's instead of being one from Agwilika Rhe. Seems to have eyes on the plate of cookies.