
●Story The main character “Keiichi Tsujisawa,” a second-year high school student attending a local school, and his twin sister “Akane Tsujisawa. One day, the younger sister Akane disappears after a line message of “Flip phone, video”. Soon after, a girl jumps off the roof of the school. The protagonist heads to the school to find out the truth. A mysterious video is left behind on her flip phone, and the incident from 25 years ago comes back to life. She is told that if she doesn't find the loca...





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