An editor's solution to zero autographs is threatening a kid. That's the whole joke, and it lands because the show commits to the stupidity without explaining it. Gag Manga Biyori treats catastrophic incompetence as the natural state of the universe, which means every escalation feels inevitable rather than forced. This is what happens when you let comedy breathe without a laugh track or a moral at the end.
Saki's autograph signing event is a complete disaster: zero fans show up. Her panicked editor makes a series of increasingly unhinged decisions to save face, including threatening a random kid and orchestrating a rivalry battle with Bururu, a deranged idol competitor who's somehow worse at this than Saki is. Meanwhile, a careless teenager's botched attempt to summon Satan actually works, and now a genuinely furious demon is loose. His friends scramble to send the thing back, but every failed exorcism just makes Satan angrier and more determined to cause chaos. The special bounces between these absurd storylines with the rapid-fire comedic energy of sketch comedy. Characters exist to be humiliated, logic bends constantly, and punchlines hit in unexpected places. Expect slapstick, absurdist humor, and situations that escalate purely because everyone involved is either stupid or unhinged. This is comedy that doesn't care about making sense, only about the next laugh.