The horror manga series Higanjima, written and illustrated by Koji Matsumoto, begins serialization.
Sequel manga 'Higanjima 48 Nichigo' (48 Days Later) begins serialization, expanding the Higanjima story.
Higanjima is adapted into its first live-action film, bringing the manga's horror themes to the big screen.
The third series of Higanjima manga, known as 'Higanjima: Vampire Bat', begins serialization.
A television adaptation of Higanjima debuts, presenting the story in serialized TV format.
A mobile game based on the Higanjima franchise is launched, enabling fans to engage interactively.
A mysterious virus outbreak turns people into vampires, leading to the collapse of normal society.
Aki's brother goes missing, prompting Aki and his friends to investigate and search for him.
Aki and his companions arrive on the vampire-infested Higanjima Island to search for his brother and find answers.
The group uncovers that the vampires on Higanjima are organized with a strict hierarchy and leadership.
A fierce battle ensues between Aki's group and the powerful vampire lords controlling the island.
After many trials, Aki finally locates his missing brother, who has been turned into a vampire.
The survivors manage to escape the island, carrying important information about the vampires and the outbreak.
The survivors begin a wider battle against vampire outbreaks on the mainland, spreading awareness and combating vampire threats.