Story: 10/10
This show starts out really really cute and hilarious, at times there is sadness over Null's situation and other times there is a slight unease or anxiety about a lurking something. As the show goes on it really builds on these feelings and the ending was handled so well and I cried like a baby.
Art: 8/10
For a show only a few minutes per episode, it has very solid art and it changes to accompany the comedic moments and does a really good job of doing so. There are budget limits for such shows so you cannot expect Demon Slayer animation or anything like that, but sometimes that isn't the point. I, for one, think that the art of a show is mostly irrelevant to the score.
Sound: 8/10
The VAs did a brilliant job at their characters and really expressed emotions well throughout the story.
Character: 8/10
A super-genius child and an overprotective big-breasted mofu-mofu onee-san/ robot. There aren't really any other characters and these two, although not so original, are still done so well. The way Null reacts when Peta passes away is quite heart-wrenching and the way she treats her sister when she is a robot really shows how much we take things for granted - she treats her similar to how she would if her sister were still alive, and it really shows when you take that away how much a person can change.
Null is pretty cute and is a super-funny super-genius who hates her sister's cooking but still loves her more than anything else, which she shows alot throughout the show. She shows great concern for even her robot sister.
Peta is such a comforting character. Although, we don't see much of her real self, we can tell in her robot self that she really cares for Null and it is making me tear up remembering it.
Enjoyment: 10/10
If I have not made it clear already then I shall say again that this show is probably the best hour I have spent in my life and I don't know if I will ever get to relive it again.
Most people will likely get bored and drop the show, or will not think anything other than "just another short show to pass the time". With how many tears I shed watching this show, I disagree with these but each to their own.
Overall: 10/10
Just watch the show, its incredible.
