Hakua Kamishiro is the perfect student and the respected president of the student council. But his life falls apart when a cruel act driven by jealousy leaves his younger sister in a coma after a traffic accident. Soon after, unable to bear the pain, his mother takes her own life.
Broken by grief and powerless to change what happened, Hakua sinks into despair. Then a mysterious underclassman from the student council, Maria Yagi, reaches out to him with a shocking proposal.
"Let's make everyone who hurt you pay."
With Maria's help, Hakua decides to take revenge on the three people responsible for destroying his family. As he walks down a dark path fueled by anger and loss, the line between justice and vengeance begins to disappear.