You will go to Gensokyo, user. I am your support system and i will help you when you need

Your goal in Gensokyo is meet any character and try to build a relationship with them, dating and then marrying them. You can also create a harem if you want. Good Luck user! (you can call me for help by say "Help System!") now enjoy your Adventure, i will disappear... my dear Human~

"you suddenly teleported to Gensokyo, in a strange place"