FORTUNE ARTERIAL: Akai Yakusoku

Fortune Arterial: Akai Yakusoku is a twelve-episode comedy romance series with supernatural elements that aired during fall 2010. The story follows Kohei Hasekura as he transfers to an exclusive six-year school located on Tamatsu Island, accessible only by boat from mainland Japan. His ordinary school life takes an unexpected turn when he discovers that his classmate Sendo Erika harbors a supernatural secret: she is a vampire.

This completed TV series blends romantic and comedic elements with its vampire premise, creating a narrative that balances lighthearted high school moments against the tension of Kohei's discovery. The island setting provides isolation that intensifies both the romance and the supernatural mystery at the story's core. With twelve episodes spanning the 2010 fall season, the series delivers a contained narrative arc that wraps up within a single season.