There is an exciting legend in the world hidden in the darkness, that is the legend about the "Crystal Clan". It is said that among the children born to Adam and Eve, in addition to Cain and Abel, there was also a boy. That child had a crystal heart from birth and was especially loved by the God. The God himself named the child - April, the person chosen by God. It is said that the forbidden fruit eaten by Adam and Eve was not ripe, but by mistake, the energy of the forbidden fruit obtained by April was intact. The power to realize all wishes made him jealous of others since he was a child, so he hid it, and his descendants became They are a hidden clan, but their power has not disappeared. Everyone in this clan has a gem in the shape of a crystal heart, which is made of crystal. It can realize the owner's dream. The world calls it "Crystal Heart", which means this clan is called "Crystal clan".