The first half of these short episodes are really lighthearted which is where we're introduced to 2 sisters who care a lot for each other. We get a glimpse of their tight relationship and how they're always together. The second half tries to make us aware that something isn't quite right and that's also when the show starts to lose its spark and the ending itself can feel a bit flat for some people.
Null had her moments but Peta just felt kind of empty for most of the show.
Something to note about this show is how short it is. It's about 5 min long, so it's worth checking out at least ep 1 to see if you like it. If you don't like that ep, then you won't like the others.
My biggest problem with this show is there isn't much depth. I think this is meant to be more of a comedy that you don't think too much about. Like other than the main girl and the robot, no one else is within the story until ep 6. Because of this, I won't get too much deeper into this.
However, who this is for? Who this is for is someone who is OK with quick epsoides, someone who is OK with virtually no story, but someone OK with short 1 offs that do relate to each other.
Null and Peta is a good short anime. Although at first it may be cliche, you will not be disappointed. Go ahead it's only 5 minutes per episode. Also can I just say how do you survive A TRUCK hitting you? It could have been 1 hit 1 kill.