Junpei, a normal college student, suddenly finds himself involved in a deadly conspiracy he could never have imagined.
He wakes aboard an old cruise liner. Dazed and confused, he stumbles around the room he finds himself in, trying desperately to remember how he got there. The first thing he notices is a number, scrawled across the door… A bright red number 5.
This game is also known as Kyoukugen Dasshutsu 9 Jikan 9 nin 9 no Tobira: Nine Hours, Nine Persons, Nine Doors in Japan.