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.
Sirs! Please, no wrestling in the bath!
Werte Herren! Bitte nicht
im Bad miteinander ringen.
¡Señores, no hagan ruido en el baño!
¡Señores, no hagan ruido en el baño!
S’il vous plaît !
Signori! Per favore, niente lotte nel bagno!
Senhores! Por favor, 
nada de brigas no banho!