Azuri Ishigami is finally free from a life without meaning, and his suicide attempt was successful. Or was it? Twelve years later, a boy assassin named Kamari Shugetsu has received news his family anticipated for years. A position of absolute power over a continent called a Don has been retired. Families around the world have the chance to capture it once again.  However, before Kamari gets the chance to help claim it, he has a feeling his mother could be in danger and decides to follow her without permission. Little does he know the horrifying truth he'll uncover...