Arcadia is plagued with evil, life-draining demons called Thanatos and a vast lack of Purifiers to exterminate them all. While attending school, Angelique attracts the eye of a man who intends to turn the tides to the people's favor. What lies within her is the key to Arcadia's survival.
Takeshi Hongo is a promising young man with a passion for motorcycle racing. However, his dreams are suddenly ruined when he gets kidnapped by Shocker, the evil secret organization planning to dominate the world. After being remodeled into a cyborg, Takeshi escapes and swears to protect the world from the inhuman monsters.
Yui Hirasawa has no clue which club to join, but she’s determined to do something this year. As luck would have it, she discovers a flyer for the Light Music Club and decides this is the club for her. But there's one problem: She first must learn guitar!