Ayaka, a high school sophomore who is tired of living in harmony with her surroundings, runs out onto the road with a whirlwind of explosions in an attempt to "go to sleep". There, however, she meets Ryuki, the ninth leader of the legendary "Beast" motorcycle gang, which has 1,500 members, and Mikage, who looks exactly like Ryuki. Ayaka's life begins to change again with the help of these two men. (google translated)