The wood chopping-obsessed Gora has gone missing, leaving wood unchopped! Yumoto and his "senpais" search fervently for Gora, but can't find a single clue as to his whereabouts. A dejected Defense Club returns to the bath to relax, where they receive an unexpected visitor...
Let's illuminate the mysteries 
of the universe...
Lass uns die Mysterien
des Universums erleuchten!
¡Iluminemos los misterios del universo
¡Iluminemos los misterios del universo
Nous révélerons
les secrets de l’univers
Facciamo luce sui misteri dell'universo...
Vamos iluminar os mistérios do universo...