Lala accidentally drops all her gadgets at school. As Rito tries to keep Haruna away from Lala's dangerous gadgets, Rito and Haruna accidentally activate the warp ring, sending both of them to an unknown location naked. Though initially embarrassed toward each other, Haruna and Rito start talking about their pasts but are discovered by Ryouko before they can become closer, as the unknown location was in the basement at her clinic. Haruko, Mikan's teacher, wants to visit Saibai (Mikan and Rito's dad) because she is a fan of his manga. Due to a new deadline, Saibai is unable to visit...