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.
When they all come together, 
that's what you call oden!
Erst wenn alle zusammen kommen,
ist es Oden!
¡El oden solo existe con todo eso junto!
¡El oden solo existe con todo eso junto!
C’est tous ces éléments réunis
qui forment l’oden !
Gli oden nascono solo quando sono tutti insieme!
Só existe oden quando todos estão juntos!