Yoshiko's mother checks Sayaka's panties. A large stray dog attacks the kids at the park. Yoshiko eats bananas and sprints across Japan to thank the farmer. Yoshiko tries to cheer up Akuru by posing him in embarrassing positions.
Yoshiko trains Ryuichi to be Akuru's friend, takes a Power Rangers show seriously, and gives her teacher a breakdown. She and her friends sneak into Akuru's bedroom to find out what birthday present he would like.
The group finally arrives at the beach. But Ryuichi spends the vacation trying to delay Yoshiko's mom. Akuru agrees to watch Yoshiko's dog, and forms a bond with him. Yoshiko takes over a summer festival.
Yoshio dresses up as a man to aid her lonely teacher, argues with Akuru about her dog's name, befriends some gal classmates and plays hide-and-seek for three days.
Yoshiko pushes one of her gal classmates to confess her love to her boyfriend, helps the park kids shop for snacks for their upcoming field trip, and makes her dog meet Sayaka's dog.
Yoshiko is put on a committee for managing a class festival, and nearly ruins it by making her committee play all night. Sayaka accidentally gets drunk and chews out her friends.
Yoshiko tries to help a girl pierce her ear, races on her dog with a motorist, and takes part in a drama. The disciplinary committee president and Yoshiko's mother get into a fight.
Yoshiko tries to help Ruri find something she can do well outside of classwork. When Ryuichi is beaten up at Dick High School, Yoshiko attacks the delinquents responsible. Dog goes for a walk around town.
