YOU NEED A MODDED 3DS. OBVIOUSLY. HOPEFULLY NOBODY HERE IS ENOUGH OF AN IDIOT NOT TO HAVE IT RIGHT?

STEP 1
DOWNLOAD THIS http://kancolle.redthetrainer.com/yolo/00040000001A7100.dat
AND PUT IT IN YOUR SD CARD IN THE PATH /fbi/seeds

STEP 2
LAUNCH FBI (YOU OBVIOUSLY NEED ONE OF THE NEW VERSIONS NOT FBI 1.X THAT'S OLD UPDATE IT ALREADY), SELECT "INSTALL FROM QR CODE" AND SCAN PIC RELATED

STEP 3
ONCE IT'S DONE IN FBI YOU SELECT "TITLES" AND THEN THE DEMO. SELECT "IMPORT SEED" AND THEN YES

STEP 4
LAUNCH THE DEMO