Hikari Ria was a abused girl. Her parents feared her. She was beaten in any possible way. Whipped, drowning, burning, cuts, punches you name it. She thought what her parents did was love but in reality she never ever experienced love. She expresses her feelings by her singing and drawing. But after a beating Ria decided to run away. When she ran she had burns, cuts and bruises, she somehow managed to run and by chance Ria ended up in front of Kurosaki clinic. She has a creature in her body that helps her in her every need. What happens when she wishes to be in different worlds.
Echo was having a typical day at school when the unexpected happened a demon appeared. It murdered everyone in her class wounding her fatally across the abdomen . It disappeared leaving her behind in a pool of her own blood . What she didn't know is when you are attacked by a demon and live they pass on majority of their powers. Nine months later she realizes this and decides to exact revenge meeting many people along the way.