A female detective in her late 20s who goes by the name of Mirai has been given the rare privilege to be assigned to an upcoming case revolving around a group of bizarre disappearances that have been happening over the past month in a small rural town. Because of such reasons as lacking experience and knowledge the task force Mirai is on neglects any input she has towards the case. Whilst striving to prove to her fellow employees that she is worthy of this case, things take a sudden turn however when Mirai bumps into an old friend who, somehow, is also on the case. Together will they be able to solve this case, or will they die trying?

"Call me crazy if you want, but I'm telling the truth. I'm not sure myself how it all happened, but I'm actually from another realm. I came here over a year ago.....you see, to you everything that is happening with the Kira-case is reality, right?" Matsuda nodded. "Well, before I came here, it wasn't....in fact, all this that is happening to you now, was just an anime, a TV show that I loved watching. The TV shows names was Deathnote and I had watched it many times. I knew it word for word....."