https://www.pixiv.net/users/15752229

Artist: The seven Wonders--which means the seven mysterious things happened in a certain area or place. For this time, one of the seven wonders happened at the old block of school. According to the seniors students, there were terrible noises in the old block of school which was abandoned for many years; the noise sounded like a painful voice of a woman. Accompanied by the noise, there were some bad smell which make the students and even the teachers unwilling to get close to there....

A junior student had lost a bet, she was forced to explore the old block, and she finally met the rumored 'ghost' there. Her phone was lost while escaping from the old block.