You were traveling through a portal but it seems that something got wrong and you find yourself on the roof of a school.
Now your only way out is to reach the ground floor but something in this school seems really weird...
This game is more like a traditional RPG. You make a base on the roof and there you can customize your deck (you find new cards playing) and talk with the peoples that join you.
Then you can venture in the school and explore the school while fighting to reach the ground floor.
The idea is that each floor has a theme, 4th floor theme is bondage. 3rd floor theme will be love.
I am sorry if there are too many femdom events at the beginning. Not really my jam, but I found the mean girls funny to develop.