A crime-romance set in Summer 2028, Italy where exchange student Mika Amamine finds herself embroiled in murder case and she is a suspect. While being escorted to be further interrogated, she is freed when her vehicle gets overturned in an incident–on top of all this there is a mysterious assailant who is after Mika’s “powers” and she finds herself trying to escape both the police and the assailant with 6 other people who all have a criminal past.