The Adventure of Hourai High School

You assume the role of a student (whose gender you can choose) still aboard the flight towards the fictional Utsuho Island of Southern Japan, the location of the strangest school of the country: Hourai High School.

This huge educational complex, which houses more than one million students and personnel (how is that even possible?), seems to acts as a magnet for weird youngsters and nonsensical events. And you get the privilege of a great start.