Erika Asakura

Tokio has crushed the leader of the gang he was recruited by to scam people. But, this gets him in trouble with his superior, Baba senpai, who is backed by the yakuza. As a result, Tokio is forced to work for the yakuza, helping them train illegal immigrants to work at a brothel.

The timid, young Asuka is bullied by her classmates. When they embark on a class field trip to Korea, Asuka plans revenge by sending them a cursed phone message they can either pass on or die.