At 8:36 a.m. on January 25, 1993 (written as a certain year in the Kodansha Manga Bunko version), Kuesu Junior High School disappeared along with its entire school building, along with all 550 students, and was transferred to another world, the "Bubble Central World." blown away. This was because he was involved in a battle for "Da Isoud" (the power of the master), which was fought between the land of the white eternal demon Terte Witas and the northern country. Kukoshu Junior High School, which appears in the midst of the northern army, is attacked by strange monsters. In the midst of the chaos, Ota Momochi succeeds in breaking the seal of Daisword and protecting the school. After hearing about the situation from Yulina Ta Kara, a magician from Terte Witas, Ota Momochi, Toya Sendo, and the rest of the Kyugoshu Junior High School group head for Terte Witas to return to their original world. Note: Numbering is based on the Bunkobon release