In the year 2050, an 18-year-old amnesiac wakes up to a ruined world overrun by monsters. Guided by an artificial superintelligence, a ruthless scientist unleashes hell on Earth to preserve only a fraction of humankind.
For 500 years, a giant snake god has lived in the ancient mountain. Miyo, an unlucky young woman from the nearby village, has been offered as a tribute: she is to be the snake's bride.
Mona is the cutest girl in school, and she knows it. In fact, she's worked hard to make her high school debut succcessful. But no matter what she does, she can't seem to catch the eye of stone-cold stoic Medaka Kuroiwa.
When former Shinsengumi captain Saito Hajime arrives on the steps of Kamiya dojo, he challenges Kenshin to a duel that will force a reawakening of Kenshin's own past.
