Recently being playing quite a bit of this game recently. It's rare to see Japanese simulations translated into English, and this one has the added bonus of a guard mode. It only has 16km of a fictional route at the moment, but what's there is polished and fun if lacking on the graphical side.
Here's a video (in Japanese) of the guard mode for those interested in seeing how it works:
Here's a video (in Japanese) of the guard mode for those interested in seeing how it works: