Series
Manga: Overview / Symbolism / Release information / Zero-Sum

Anime: Overview / Manga versus anime / Cast / Soundtrack

Other: About Kouga Yun / Persistent Rumors / Other Releases / Drama CDs / Vocal Album

Characters
Primary: Aoyagi Ritsuka / Agatsuma Soubi / Aoyagi Seimei / Hawatari Yuiko

Secondary: Aoyagi Misaki / Kaidou Kio / Shinonome Hitomi / Shioiri Yayoi / Katsuko / Akame Nisei / Minami Ritsu / Sagan Nagisa / 7

Teams: Beloved / Loveless / Breathless / Sleepless / Zero / Fearless