A nameless robot girl has recently been given the gift of life from her creator, while exploring the wonders of an ordinary world she meets an amazing mutant boy and they share a friendship that must overcome their warring families.

A troubled teenage girl who’s struggling to cope with the accidental death of her father suspects that the mysterious killer stalking her hometown is not only her neighbour but her mother’s new romantic interest.

In a futuristic world, the “Nanorace,” people whose genes contain nanomachines that grant them special abilities, are controlled and suffer prejudice from the “Purerace” of normal human beings. Beck, a legendary hunter with the power of “Red Ash,” aims to undergo the surgical procedure to become Purerace. Alongside the large yet timid mechanic Tyger, they use their parallel machine to fly to the old world, doing dangerous jobs. One day, they suddenly run into Call, a girl pursued by the duo of Safari and Stripe. Call, Beck, and Tyger together travel to the clockwork world. But Safari, Stripe, and their leader Deny, stubbornly pursue Call, and are finally in a position to make their attack on Beck and his friends.