Piano Gatling Gun

"Whoa! That's one heck of a Piano Gatling Gun! Well, that sounds cool. Awesome. She made this weapon to make North Japan, or the Empire of the Rising Sun, fall down under the hands of Emperor Naruhito. Now this should do the trick to protect my village, right?"

--Su Ji-Hoon, The Musical War

The Piano Gatling Gun is a piano-looking upgraded variant of an M197 electric cannon used by the Japan Self-Defense Forces.