Katsudou Mangaya’s visual novel about a young girl who blackmails her teacher into stealing the school hidden fortune has finally found a home on Fakku. The Key to Home has been banned on Steam on two occasions now for exploitation of minors despite having no nudity or eroge content. In fact the game has been rated Teen by the ESRB.
Here is a description from the store page on Fakku:
Hiroshi Kuroyanagi, a boorish failure of a teacher, is blackmailed by his student Rika Sakuma, a girl with demonic intelligence, into a wild scheme to rob the school of a hidden fortune worth tens of millions of yen.
Lies, cheating, and betrayal…students and teachers struggle against one another for dominance in this suspenseful thriller.
Who will come out on top and claim the schools hidden fortune?
The Key to Home will set you back $9.99 on Fakku and is an All Ages Title.