Danganronpa V3: Killing Harmony is also available in physical format in addition to being a digital download. If you are interested, you can preorder the disc version of the NIS America game with this link on Amazon.
Killing Harmony is the third mainline installment of the series. The premise of these titles involve gifted high school students who get kidnapped and imprisoned in order to unwillingly particapte in a killing game. In order to get released, a student must kill another and not get convicted during class trials. V3 introduces some new features such as the ability to lie during these intense trials. It will be released for the PlayStation 4, as well as PC and PlayStation Vita, on the 26th of September in the North American region.
If the file size for Danganronpa V3: Killing Harmony is too big for your PS4 hard drive, then you might want to get a supported external storage device, If you are interested in buying one, you might want to take a look at the WD 2 TB Black My Passport Portable External Hard Drive via this page on Amazon.