Machine translation calls the circle "Capsuleer" and the site Doujin Republic calls it "Capsella". Just went with the Romanji to keep the ambiguity until a more knowing person gives their thoughts. No mater what I searched doesn't look like any of this artists other works are on here.

Later found their pixiv post for this.

https://www.pixiv.net/en/artworks/7750824

Base +8