Is the game not loading for you? Try running it as an administrator.
Also, make sure that you get the most recent update of the game (currently v1.1.1.1) from Playism Games. It supposedly fixes a large number of bugs/typos.
There have been minor bug sightings throughout the game. If you find any, be sure to e-mail the developers:
English: contact@playism-games.com
Japanese: contact@playism.jp