Aru Yakata Nite The Motion Anime

How did it come to this... Influenced by my friend Renge, I entered a strange «Mansion» out of pure curiosity. There was a person here that we should never have met under any circumstances... If I had known in advance, I would never have come to such a place. If we get caught, we'll surely be in trouble... Somehow... I have to get out of this mansion...