Due to scientific advances, YuruYuri will be getting a fourth season. :D
Fourth season? Let's hope so! :D
If a fourth season isn't possible, at least we'll have this in October:
https://youtu.be/3kPRhof66K4
PS: It's not Oomuro-ke. I have no idea what it is, but I think Namori is drawing the character designs. (From what I can tell with the eyes anyway)