At Ichigo Elementary School, where Tokiwa's younger brothers Kanta and Kenta attend, it is the day of general cleaning. Graduates Yume and Asahi will also participate in the general cleaning assistance. Of course, Mew and others are also together! Yume and Asahi will polish the classroom while looking back on their memories in the elementary school. Meanwhile, Yuni and others appeared. The school, which has become shiny, is covered with dirt because of Yuni.