Ep. 9: Mio confronts Yoshino over ruined cakes while Yuuko waits impatiently for her food at a restaurant.

Mio expresses anger toward her older sister Yoshino for spoiling her cakes to play pranks. Later, Yuuko, Mio, and Mai dine at a soba restaurant, where Yuuko becomes frustrated as her vegetable tendon order arrives after those of her friends. Meanwhile, Yuuko suffers from insomnia caused by mosquitoes in her room. In another incident, Nano disciplines the Professor for consuming snacks before dinner. Additionally, Yoshino tricks Mio into accepting a part-time position as a daifuku mascot at a stand, causing Mio significant embarrassment and annoyance.

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