cosmotea

Hyakkaou Private Academy. An institution for the privileged with a very peculiar curriculum.

Yukiteru Amano (or Yuki) is a loner who never really interact with people and prefers writing a diary on his cell phone with his only companion being an imaginary friend named Deus Ex Machina, the God of Time and Space. However, Yuki soon learns that Deus is not a figment of his imagination but real when Deus makes him a participant in a battle royale with eleven others.

Akko Kagari is a girl who joins an academy for young witches after being inspired at a young age by a witch named Shiny Chariot, and often spends her days hanging with her classmates, Lotte and Sucy. However, she has trouble paying attention in class, doesn't know how to ride her broom, and is often looked down upon for admiring Chariot, whom many believe gives the wrong impression about witches.

Sakuranomiya Maika is, by nature, a person with bad luck and always gets into trouble, but knows Dino, who manages a cafeteria. However, it is not any cafeteria, and the waitresses have to act according to their "attributes.

Strange murders are happening in Tokyo. Due to liquid evidence at the scene, the police conclude the attacks are the results of "eater" type ghouls.

My Little Monster focuses on the relationship between Shizuku Mizutani, who has absolutely no interests except in studying and her plans for the future, and a boy named Haru Yoshida, who sits next to Shizuku in class but rarely attends school. After Shizuku is tasked with delivering class printouts to Haru's home, she meets Haru, who immediately greets her as a friend, starting their new relationship.

The suspense horror/dark fantasy story is set in Tokyo, which is haunted by mysterious "ghouls" who are devouring humans. People are gripped by the fear of these ghouls whose identities are masked in mystery.

The distant future: Humanity established the mobile fort city, Plantation, upon the ruined wasteland. Within the city were pilot quarters, Mistilteinn, otherwise known as the “Birdcage.