Fandisk to Dance with Devils.

Game is divided into 4 sections: All Star, My Carol, After Story, and the Extras.

All Star is a common route for all the guys which happens shortly before the school festival in the original game.
My Carol is a longer 4 chapter story taking place after all the Human 1 ends.
After Story has short after stories that take place after both the GOOD and BAD ends.
The Extra section has Christmas and normal dates as well as some other short scenarios.