Another show with little plot development. This is what I call a One Pic Post or an OPP. A single picture can summarize the entire episode. Often times, at least with a show like this, it can summarize the entire tone of the entire series, but let’s not get ahead of ourselves.
The entire gang is hiding out at the nurse’s friend’s house. The girls at the beginning of the episode are taking a bath together and some of them apparently had a few drinks. Rei and Marikawa (the nurse) had a bunch of drinks and both glomp Hirano and Takashi, they both enjoy their physical contact time. Eventually, the police get an all clear to use any means necessary to stop the zombies and keep control of the situation, so they start shooting rioters and using bulldozers. At the end of the episode, we see Takashi get angry with Rei over brining up Hisashi all the time, and she starts to grope.
Even if this show is known for the huge amount of fan service, something like this probably would happen if a bunch of teenagers managed to survive for more than a day with an unequal amount of boys and girls – especially those boys and girls with an established relationship history. Perhaps that one realistic thing, that “it’s the end of the world, so let’s get it on” occurrence, is the only real value of this show.