3 books in series

Villainess Level 99: I May Be the Hidden Boss but I'm Not the Demon Lord (Manga)

Villainess Level 99: I May Be the Hidden Boss but I'm Not the Demon Lord (Manga) is a 3-book series with 3 released primary works first released in 2020 with contributions by Satori Tanabata, 七夕さとり, Nocomi, and Tea Tea.

Villainess Level 99 Volume 1: I May Be the Hidden Boss But I'm Not the Demon Lord
Villainess Level 99 Volume 2: I May Be the Hidden Boss But I'm Not the Demon Lord
Villainess Level 99 Volume 4