What is it as a black entertainment office? (Volume 1-4 volume)

Publisher: Yoshibunsha
Author: USI
Size: 128mm x 182mm
Number of books: 4
Language: Japanese
Category: Youth manga, manga
Latest release date: 2021-11-16

Synopsis:
Both idols and actresses are originally just people. An alchemist and entertainment office that converts it with gold.
The job that comes to the office "Colosseum Planning" at the bottom is
Always hard, such as "looking for a pillow sales proxy offer" and "discipline of a bad woman"!?
Behind the gorgeous industry, a night plan moves!