Transcript (YouTube has subtitles):

Okayu: So, to get through this third day, I'll teach Mio how to stop her hiccups.
Mio: Eh! Really?
Okayu: First, Mio, you have to follow everything I say. Got it?
Mio: Yes... got it. hic
Okayu: Alright, first... um... close your eyes!
Mio: Okay!
Okayu: Next is...
Korone: Something’s happening...
Okayu: Now take a deep breath, fill your belly with air!
Mio and Fubuki: takes a deep breath
Okayu: Okay, stop!
Okayu: ...And Koro-san! Say something funny!
Mio: laughs
Korone: Eh?
Okayu: Wait, no! Mio, you must keep holding your breath!
Mio: Hold on... hold on! I’ll try one more time...!
Mio: Here I go~!
Mio and Fubuki: takes a deep breath
Okayu: Alright, Koro-san! Do it!
Mio: laughs
Okayu: Uh... wait a sec...
Everyone: laughs
Fubuki: Hey, that was too quick!
Okayu: You must hold on here...
Fubuki: You can do it, Mio!
Okayu: You can do it, Mio!
Fubuki: Don’t breathe out!
Mio: I can’t hold it... I’ll try harder one more time, then.
Okayu: Alright, let's do this! Take a really REALLY big breath!
Mio and Fubuki: takes a deep breath
Okayu: Alright, Koro-san! Do it!
Mio: laughs
Korone: Why?!
Everyone: laughs
Okayu: We haven’t even done anything yet...
Fubuki: With just a single word...
Korone: But maybe it stopped this time?
Okayu: Did it stop? Since it’s a diaphragm spasm... I wonder if it worked...
Korone: I think it stopped...
Mio: Maybe it did stop...
Fubuki: It stopped!
Okayu: Oh, great!

Korone: Uh...
Mio: