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.
He's a real mystery, you know?
Es ist ein wahres Rätsel, weißt du?
Es todo un misterio, ¿no?
Es todo un misterio, ¿no?
C’est un vrai mystère.
È un bel mistero, sai?
Ele é um verdadeiro mistério, sabe?