When a new student named Teppei transfer to Kaimei High school, Bossun and the gang try their best to recruit Teppei by showing him the ropes. Then, the Sket Dan gets a request to stop a masked man from vandalizing school property. Will the Sket Dan solve this case?
The Sket Dan has two requests: to help Shinzo, a samurai, regain his focus in a kendo tournament and to help Moe watch her gibbon, Yeti. Can the Sket Dan members get the job done?