The protagonist, who lives a normal high school life, is invited by his childhood friend to join a club activity. However, he gets caught up in a rumor about a haunted mansion that a classmate brings up, and steps into the mansion with four other classmates. Unaware of the truth hidden within the place...

The protagonist, who lives a normal high school life, is invited by his childhood friend to join a club activity. However, he gets caught up in a rumor about a haunted mansion that a classmate brings up, and steps into the mansion with four other classmates. Unaware of the truth hidden within the place...