Yukari finds a box containing a small kitten at the school. She wants one of the girls to take care of it, but since none of them can, they wonder what to do with it instead and once it has woken up, each of them hold it while they are talking. However, when it is Sakaki's turn, the kitten jumps away, never to be seen again.
Tomo says that she cannot accept the kitten since she already has a dog, which she mentioned in an earlier chapter.
Sakaki said earlier that her parents won't let her have a pet. This comes up here too, as well as, needless to say, Sakaki's undying love for cats and their unspecified problem with her.
Sakaki fantasizes about the kitten, which she secretly named Marco, going off on an adventure of its own, "like in 3,000 Leagues in Search of Mother". This is a reference to the 1970s anime series of the same name, the protagonist of which is named Marco.
It is unknown whose the box containing the kitten was originally, or how it ended up at the school.
Why Yukari did not take the kitten herself is not known, as she did not properly reply when Chiyo-chan asked her about it.
Osaka wonders why miso soup poured over rice is called "cat food". No one seems to know the answer, and this is quickly patched over.
We do not find out what happened to the kitten after this episode.
When Sakaki is just about to get to hold the kitten, it does not bite her – however, it does jump away and out the window.
Look, raising kittens is, um ... like, good for developing empathy and stuff! So as an educator, it's my calling to, y'know, give you the chance to ... Umm ... OH FOR PETE'S SAKE, SOMEONE JUST TAKE IT!
— Sakaki (after the kitten ran away)
Nothing to worry about! I'm sure it'll be fine on its own.