A powerful vampire causes chaos in Japan. Yukina, an apprentice Sword Shaman, encounters Akatsuki Kojou, the Fourth Primeval.

Chihaya meets a boy named Arata, a talented karuta player who thinks that she has a potential to become a great player. Chihaya then takes on a new dream of becoming Japan's best karuta player.

Depois de passar pela "síndrome da puberdade", Sakuta encontra garotas que sofrem do mesmo mal, inclusive sua irmã e a atriz Mai.

In year 71 of a new age where most humans live in space, two powers - Dorssia Military Pact and ARUS - vie for control. Neutral JIOR nation's student Haruto Tokishima lived peacefully until Dorssia's invasion of his Module 77 home.