Yuki is a timid and shy small-town girl. She had never made any luck of making friends and always been alone. Recently, her father got hired into another company and they were forced to move. She befriends a classmate named "Kagome" Slowly Yuki's life starts to change and more than she can bargain with.

Kotori yearns to become a complete human, but being half just isn't enough. When she hears about the Shikon no Tama, that is when her quest began.