Chio-chan wakes up earlier than usual and decides to walk through a park to get to school. Later, Chio-chan and Manana have fun talking about the upcoming physical fitness test.
Chio and Manana have interesting conversations, including talking about what kind of situation they'd like to be in before they die, the career survey paths they were given, and how Manana would've dealt with Chio's awkward meeting with Yuki.
One summer day, Chio-chan is faced with the sudden urge to go to the bathroom. Later, Chio discovers that the disciplinary monitor of Samejima Academy's student council, Shinozuka Momo, has feelings for Gotou-sensei.
Chio-chan is told by Yuki that the head of the Kabaddi Club, Kushitori, is missing. Later, Chio-chan turns her commute into an imaginary route from a video game.
Chio-chan and Manana head to school with their popular friend, Yuki. Later, Chio-chan tries to tell Manana about an exciting new game, and Momo thinks back on how she became a member of the disciplinary committee.
Tests are an unavoidable part of a student's life. Later, Chio-chan spots a water pipe and starts talking about it as if it were her ideal boyfriend, which makes Manana laugh.
One day, Momo asks Chio-chan and Manana if they'd eat some sweets with her. Later, Chio-chan is walking to school by herself when she spots the little girl she had a duel with before, while Andou and George have a little adventure.
Chio-chan is busy gaming into the middle of the night again. Later, Manana gets curious about whether she has body odor after watching a news program on TV, so she has Chio-chan smell her.
One day, Andou's little sister Chiharu ends up visiting Chio at her house. Also, Yuki-chan does some outlandish things at times, but the girls find out she actually spends most of her time naked at home.
