Nijuuei

A visual novel adventure game set in Japan in the year 1640 centering around a man named Sougen who has been cursed to have two shadows and to carry a jinmensou, an antagonistic being within his body that wishes to possess him.
The game begins as Sougen travels to the strange and cursed island of Awahomuroshima in hopes of finding a way to dispel the curse placed upon him.
Gameplay consists of the player making choices, some of which being timed, and following different story routes to the conclusion.