You can play this game no matter what age you are as this dating simulation game is safe for all ages!
There is a month time limit t explore the whole Wonderland. There are a nice story and lots of great characters full of charm. Talk to all of them for gaining EXP and relationship points.
The purpose is to have as much EXP as you can by talking to and interacting with charming characters; this will allow you make different things later on. A good thing you can do is to make presents and date.
Note: each character has limited dialog; make sure to complete the game before your favorite character finishes his dialog.