Rainlia didn't know how it happened. They were merrymaking that night, but before she knew it, her body collapse and descended into a deep sleep. When she woke up, all the people in her land were in a dead-like state and she, the sole survivor, became called the killer of them all.

The Kingdom of Reca, looks like nothing but an ordinary Kingdom in the South East Continent. However, in the inner circle of the nobles and rulers of the neighboring kingdom, a rumor circulates – a rumor about an army that lurks within the premise of the Kingdom. They are without a name, but soon, they were known as… the Shadow Knights. The Shadow Knights protect the Kingdom against the outside forces, and against itself. And this… is how it all began