Capybara is the largest rodent in the World!
The king of hamsters!
You can't be the King if you can't do this with your crocobro.
Anon, I have spent my entire life thinking these were just someone's attempt at making Rodents of Unusual Size look friendly, not thinking they're living animals. What, are they giant rats? Messed up dogs? Are they a fucking monkey??
They are king-size hamsters.
Japan loves autistic moe characters.
[spoiler]She honestly seems to have high-functioning autism of some sort. Which, while a pain to deal with, at least isn't 'was willing to let humanity die off to save own hide', 'still fucked up from dead not-gf', or 'kanon'[/spoiler]