You worked at FK Corporation. But one day, one of the employees went missing. You and your coworkers went to the place where the employee used to work to look for him. However, while searching, many of your coworkers disappeared, and eventually you were left alone and lost. Then, while searching for the way home, you found a strange red light and approached it. Then, she was standing there with her back hunched over. Then, the moment she made a noise and turned around, you lost consciousness...