The students of Kaimei High are going on a class trip, but first, they have to participate in a rope skipping competition to see which class gets the best rooms. Saaya doesn't have an athletic bone in her body, so is worried she's going to doom her class to the worst rooms of all, until the Sket-dan tries teaching her how to skip! Then, the students are on their way, but in the back of one bus, Chuu-sensei is playing mad scientist again, and this time his victims are Bossun, Himeko, and Tsubaki!
Come to think of it, don't you think 
Saaya has been more cheerful recently?
A propósito Saaya se está 
poniendo más alegre últimamente.
Ahora que lo pienso, ¿no ha estado
 Saaya más animada últimamente?
Falando nisso, não acha que ela 
anda mais animada ultimamente?