Andrew - the unknown world beneath the Earth`s surface. It`s a different world, where stands a giant Adamas and float across the sky rainbow stripes. Once Asanaga Xiong,usual cheerful 15 -year-old, who used to live in the "upper " world is in this place. This happened after he found his father`s work on the mysterious crystal. As soon as he finds touch - and the boy was transported to the Andrew.