Anyone who understands what the fuck is going on in this chapter please let us know.
Basically a lot of anime host radio shows to promote them, which often feature the cast, sometimes acting in character. One of the notable examples is the Hidamari Sketch radio show, which sparked the whole Terry Asumi meme. As for this chapter in particular, Kyouko seems to be trying to do her job properly while Mirei is messing with her (that, or they're both intentionally putting the yuri business into practise), while Wanko is being Wanko, flubbing up as per usual but getting her act together at the end.