At Binan High School in the city of Binan, Japan, Yufuin En and Kinugawa Atsushi, along with along with Naruko Io and Zaou Ryuu, enjoy leisurely high school lives while hosting meetings of a do-nothing club called the Earth Defense Club.
Hey, you think Tawarayama's 
finally... you know?
Sagt, glaubt ihr, Tawarayama ist
nun komplett durchgedreht?
Oigan, ¿por fin se le zafó 
un tornillo a Tawarayama?
Eh, ¿es que se le ha soltado 
un tornillo a Tawarayama?
C’est à nouveau
cette période de l’année.
Pensate che Tawarayama sia... avete capito, no?
Ei, será que o Tawarayama
 finalmente enlouqueceu?