This isn't a show that builds toward anything. It exists to watch Nobue's deadpan exhaustion clash with Chika's chaos in real time, to catch the exact moment a character's face shifts mid-sentence, to sit in a room where the only stakes are whether someone will actually finish their homework. Three episodes feels short because you don't want to leave. The comedy lands in the space between what these girls say and what they're actually thinking, and after the original series, you know them well enough to hear the difference.
Nobue Itou is twenty, leans heavily on cigarettes, enjoys her beer, and is currently hunting for a part-time job. Around her, younger sister Chika and their friends fill the days with small diversions: looking up their own names in the dictionary, dozing off in class, playing hide-and-seek, dressing up as a cat and a rabbit, and going on a brief vacation. They also try to toughen up Matsuri, the girl in glasses. The OVA resumes right after the end of the TV series, adapted from Barasui's manga. There's no world to save here, no mysteries to solve. It is a gentle slice-of-life comedy about cute girls passing ordinary time together. If you're looking for something that treats everyday interactions as genuinely entertaining, where friendship moments matter more than plot, this delivers exactly that.