The graphic is great and wonderful. However the story kinda cliche. It is more like a game to enjoy your waifu in rose and butterfly situation rather than in engaging serious problem.
The game play is good but can be a bit monotone as there is only 4 types of enemies the big ship, the plane, the cruising ship, and lastly enemies shipfu. The big ship can be destroyed instantly using torpedo, the plane just means to annoy you as it can be 1 hit too, the cruising ship means to brings you health if you destroy it. So your main enemy is only enemy shipfu. If you ever find yourself out-clashed, just grind little bit in Extreme Mode and you will be ready to out-clashed them.
In the end, it is a good game if you want to know your shipfu in new perspective and to see her in 3D. Just dont expect good game-play.