Mio is angry with her older sister Yoshino for ruining her cakes in order to play jokes on her. Yūko, Mio and Mai eat at a soba restaurant, but Yūko gets impatient when Mio's and Mai's dishes arrive while her order of vegetable tendon has not. Yūko is unable to sleep due to mosquitoes in her room. Nano punishes the Professor for eating snacks before dinner. Mio is tricked by Yoshino to take a part-time job as a daifuku mascot at a daifuku stand much to her embarrassment and annoyance.