[DeepL Translation - needs review] Introduction to Volume 1: Tatsuhiko Kido moved to Tokyo from the countryside to attend a vocational school in the spring. He thought his new life had started without any problems, but he found a small hole in the wall of his room, and he feels uncomfortable because he sometimes feels as if he can feel eyes on him through the hole. On a night of drinking with his classmate Yoneyama, he notices a light leaking through the hole and peeks in, only to find a wom...
