Freeloader Gal Arisa [Seyi Butai]

This is the artist’s name: せーえーぶたい,
when translated using DeepL, it gives you the word Seyi Butai, and this is the right translation because this word has a meaning that makes sense.
Seyi Butai: former name for the Imperial Army, now the Japanese Army

https://www.dlsite.com/maniax-touch/circle/profile/=/maker_id/RG67959.html