Do Your Best, Oneesan!

Summary
While Remi messes up a lesson and cleaning, she informs the Sket Dan about her beloved doll named Specter. When a baseball is thrown into the classroom, Remi mistakenly throws Specter at the student. During the search for Specter, Remi and the Sket Dan run into Suemasu who had sprained her ankle. To cheer up the children, Remi and the Sket Dan do a little show. Afterwards, a young little girl gives Remi, a doll she found. Surprisingly, it's Specter. Later, Bossun tells Remi that her strength is cheering up people.