Akatsuka Justice, a boy with a known as Seigi, saves a man from some street punks and is given a strange stone as a token of the man's gratitude.

After passing out during his battle with Theodore, Izzy and Tom explain to Justice the history of the tattoos and their mission to retrieve them. They ask Justice to join them, but he is still unable to grasp the severity of his situation.

As he's visiting Izzy and Tom's secret home, Justice is attacked by Il, an assassin from the Kingdom who has possessed Touko's body. Meanwhile at the school, another assassin, Lakha, attacks Izzy.

After getting a taste of his own powerlessness in the previous battle, Justice returns to his intense training with Blue Rose to master the use of his tattoo.

After her friend Lisa is captured by Il and Lakha, Izzy works with the US Army on a mission to take her back. Justice had been held in Blue Moon's hideout for safekeeping, but refuses to stand by while an ally is in danger and rushes to the scene.

The mysterious BB takes Justice to a tattoo research lab run by the Kingdom in Japan. His goal is to destroy the lab and rescue the people trapped there. Meanwhile, Arya visits the Japanese tattoo ruins in order to proceed with her plan.