The protagonist, high school student Akira Sakaguchi (played by Atsushi Harada), desires a normal human life, yet he is a vampire who cannot survive without consuming human blood. The series depicts the various human relationships surrounding Akira. It faced accusations of plagiarism for bearing striking similarities to Kazumasa Hirai's novel “The Wolf's Crest,” leading Hirai to publicly criticize Naoyuki Tomomatsu, who served as both screenwriter and director for this work.