The protagonist (you) was born and raised in a certain mountain village.
She had hoped to leave for the world outside of the village, but she was chosen as the bride of the god "Kakushi-sama", who has been worshipped as a mountain god since ancient times.

The protagonist is unable to give up on the outside world.
Under the watchful eye of her doctor, Dr. Kagami, she tries to escape from the village before the day of the ceremony, but for some reason, every night she has strange dreams...
(Official game page - novelgame MTL)