アンロック・シティ (Associated Names)

“One week after July 7th, the anniversary of two people, one idea will be inverted” Takahagi Koudai, an employee of a security company, received a strange e-mail from an unknown sender. From that day on, mysterious phenomena have begun to occur around “Tsuruki City”, where Koudai and his little sister Otoha live. Concealing the inside…