The Devils' Line manga series began publication, marking the start of the franchise that would later include the TV show.
Announcement that the Devils' Line manga would be adapted into an anime TV series, exciting fans of the original work.
The first episode of the Devils' Line anime TV show was broadcast, bringing the story to a wider audience through animation.
The final episode of the first season of Devils' Line aired, concluding the initial televised story arc.
Yūki Anzai begins working in the Special Division of the Tokyo Metropolitan Police, investigating vampire-related crimes and incidents.
Yūki Anzai meets Tsukasa Taira, a university student unaware of his vampire nature, marking the start of their complicated relationship.
Investigation reveals the challenges and ethical dilemmas surrounding humans and vampires living together in modern society.
Anzai and the Special Division confront the gang led by Ryūnosuke Katagiri causing disturbances and endangering both humans and vampires.
Tsukasa discovers Anzai's true identity as a vampire and grapples with her feelings and fears about this revelation.
Yūki Anzai struggles to control his vampire instincts and maintain his humanity amidst growing tensions.
The Special Division conducts a large-scale operation to capture rogue vampires threatening public safety.
