.hack系列动漫第三作OVA，共四集，分别为1-InTheCaseofMaiMinase(.hack//Infection)2-InTheCaseofYukiAihara(.hack//Mutation)3-InTheCaseofKyokoTohno(.hack//Outbreak)4-Trismegistus(.hack//Quarantine)注：该片的四集在IMD
