In country called Livania twins were born their names were Yui and Dan they weren't fully humans, in fact they were half demons and humans one of them gets corrupted. Corruption makes twin act out of character and use powers against their will killing innocents and destroying the nature. The other twin is very determined to save the other one from chaos and bring them to the old person they were. Twin meets couple new friends and villains while trying to save their replica. Adventures makes twin stronger by getting new abilities, but is it enough to save the other one?
3 parts