4 Panel! Training Corps Episode 13

Your will is the "key". The "key" to rescuing mankind from this despair.

Got it, shithead?

Allow me to explain it for an uneducated person like you.

While holding the "key" to the underground room,

he placed a deep significance in the word "key".

That's the Erwin school's wit for you.

You could even say he "locked" those two concepts of "key" together. Truly an advanced technique...

Give me a break here...