Spike chunsoft are removing all danganronpa from vita! On the ps store (website), danganronpa 1 and 2 still seemed available but V3 is gone! All 4 games are gone on the vita
Amazon.com: Danganronpa 1-2 Reload - PlayStation 4 : Video Games
Amazon.com: Danganronpa V3: Killing Harmony - PlayStation 4 : Sega of America Inc: Video Games
Danganronpa V3: Killing Harmony
Danganronpa Games PlayStation Store Publisher Update About to Occur