:::::::::::: Humans {males

1.) Ryota

2.) Takashi

3.) Yuto

4.) Kaito

5.) Wai-kin

6.) Sho

7.) Masaki

8.) Haru

9.) Kazuki

[Author's word: many of them won't last, so don't worry, you won't have trouble remembering the main characters]

10.) Sota

11.) Keisuke

12.) Riku

13.) Ren

14.) Tatsuya

15.) Yuki

16.) Shota

17.) Kota

18.) Takeru

19.) Daiki

20.) Tomoya

:::::::::::: Female

1.) Misaki

2.) Yui

3.) Aiko

4.) Bianca

5.) Hana

6.) Kaori

7.) Mika

8.) Nana

9.) Rina

10.) Yuna

::::::: The seven Constellations

1.) Constellation of Death

2.) Constellation of madness

3.) Constellation of Proficiency

4.) Constellation of Spirits

5.) Constellation of Souls

6.) Constellation of Destruction

7.) Constellation of Darkness

8.) Constellation of Brilliant light

:::::::::::::::::

1. Overlord Academy: The story primarily takes place in the overlord academy, a prestigious institution where demons and humans study and train to become the next overlord. It serves as a central hub for demon culture, education, and power dynamics.

2. Demon Realm: The demon realm is where demons originate from. It is depicted as a parallel dimension or separate realm from the human world. It is a place of darkness and chaos, and demons possess various supernatural abilities.

3. Magic and Abilities: The world of "Tribulations of the Villain Overlord " revolves around magic and extraordinary powers. Demons and other characters possess unique magical abilities, which they use in battles, spells, and various applications.

4. Rival Gods: Rival gods, often drawn from different mythologies and pantheons, represent powerful deities or celestial beings. They have their own domains, followers, and conflicts with demons and each other.

5. Hierarchy: The human society in the series has its own social structure, where power and hierarchy play significant roles. The hierarchy is based on the strength and abilities of demons, with the overlord being the ultimate authority.

6. School Life: The Demon King Academy serves as a backdrop for school life elements. Classes, competitions, and interpersonal relationships among students are explored, offering a blend of action, fantasy, and slice-of-life elements.

These are some of the key world-building aspects present in "Tribulations of the villain Overlord " creating a unique setting filled with fantastical elements, magic, and intricate power dynamics.