Umaru visits Sylphynford, becoming anxious when she proposes playing a Pokee game together. Later, Umaru takes Sylphynford to Lake Sagami, where she spent ten years. Afterwards, the girls hold a study session to help Nana, who is on the verge of being held back a grade due to how nervous she gets during tests. Recalling how she became friends with Umaru and the others, Nana passes the exams.