Chii Ascertains

Hideki hears an urban legend about a mistress who was murdered on a dark, gloomy day in a corner apartment room where the lights were blinking. Then as he is walking home he notices his own apartment complex has a mysterious corner room where the light is blinking on a dark, gloomy day. Then more and more similarities to the legend happen and Hideki gets really paranoid. Chii and friends want to help out but will it be too late?