I think I've already mentioned it. Anyway, it's a .cia game, Fantasy Life. I doubt it's a corrupted .cia, I think my emuNAND got messed up. Long story short, originally from 9.2 sysNAND, downgraded to 4.2 sysNAND, upgraded back to 4.5 sysNAND. Guess something went wrong somewhere along the way...