Two alchemist brothers go on a quest for the Philosopher's Stone after an attempt to revive their dead mother goes horribly wrong.
Slacker Ichiko gets into a fight with her younger sister and begins to live on her own, working the late shift at a 100 yen shop. On her way home, she passes a gym and meets boxer Kano who trains there in silence...
Recruited by a clandestine police organization, "K" must stop a plot by student radicals to create anarchy in Japan. Armed with a hi-tech steel yo-yo, and a new name (Asamiya Saki), she must infiltrate an elite high school to find the terrorists but finds an even more sinister plan is about to unfold.
