How to make visual novels interesting? When its about letters, how about a writing set? This mighty leap of logic from Rice Digital, actually makes it an interesting proposition. You can get the US version or the EU version (£60).
The collection looks pretty smart in a neat box, and includes either the PS4 or Vita version. Someone should point out to the big publishers that this is how limited editions work! It also comes with a CD, very stylish if unassuming print and art book,
UPDATE: If that's a bit much for you, then there's a plainer Limited Edition for £39.99 with the game, art book and box. That's available from Game in the UK and VideoGamesPlus in North America for C$49.99.