The class is learning how to properly use the AED, but Nozomu tells that the Dysfunctional AED (DAED) is the one which everyone should avert. The DAED, in fact, has the task to revive dead things which should remain dead. Ohkusa, anyway, decides to pursue her instincts and starts reviving everything she faces, until resurrecting the deads as zombies. The class, fleeing from the horde of zombies, gets trapped in a store, but Nozomu anyway has been bitten. In the second part the whole class is at the pool and gets washed away to the Island of Those Who Don't Go with the Flow. In the third part…