Highschool Of The Dead: Interior of the DEAD

After the incident of Scarecrow Manor party event since 2006, Thornheart is finished off for good by two certain agents. Now, the year of 2010, a threatening virus began to spread around Kanto region of Japan and turned countless people into zombies, which caused by the bioterrorist organization once again. This story follows a JSDF soldier who fled during the counterattack against the undead creatures, until he meet an AMS agent and then get along with each other. So, the two went to solve the case, while also finding the remaining ones who are still alive.