Ep. 20: Seniors face academic challenges while navigating birthdays, career dreams, and class dynamics.

The girls become seniors, finding third-floor classes inconvenient. Yukari urges studying for next year's college entrance exams. Nyamo receives a birthday handbag from her class, upsetting Yukari whose birthday was forgotten during spring break. Yukari gets a replacement gift the next day but is interrupted by Kimura before showing it to Nyamo. Tomo aims to join the ICPO, while Chiyo desires an American college, though Osaka frightens her with kidnapping fears. Sakaki calms them by suggesting Chiyo-Father would help. Tomo jokes about Chiyo becoming US President, leading Osaka to imagine a nation of Chiyo lookalikes. Yomi buys sugar-free pork buns. Chiyo introduces Tomo and Yomi to Miruchi and Yuka-chan in their new uniforms. Kaorin becomes class president in Kimura’s class, which displeases her. She reflects on memories with Sakaki. After meeting Kimura’s wife delivering lunch, Kaorin decides to appreciate his positive traits, such as gardening.
Episodes
- Ep. 16 · Class prepares stuffed animal cafe while Chiyo’s penguin costume draws unexpected crowds
- Ep. 17 · Osaka's Scary Story, Feeling Different, Running Teacher, Incredible Santa, and Christmas Meeting
- Ep. 18 · Yomi shares Hokkaido trip tales while Tomo seeks revenge for her boasting
- Ep. 19 · Nyamo faces arranged marriage pressure while classmates suffer fatigue and sleep in gym class.
- Ep. 20 · Seniors face academic challenges while navigating birthdays, career dreams, and class dynamics.
- Ep. 21 · The class travels to Okinawa for a field trip featuring sightseeing, diving, and a rare cat encounter.
- Ep. 22 · Girls travel to Chiyo's summer house for exams, facing car rides, study struggles, and chaotic antics.
- Ep. 23 · Osaka prepares for the bread eating contest while the class competes in various athletic events.
- Ep. 24 · Sakaki learns of Maya's loss and faces a cat ambush while caring for the kitten.