You lived the normal life of a high school student.
You have always had a strange dream—is it of a past memory you’ve forgotten or something entirely different?
One weekend you go on a club trip with members of the Super Science Club you are a member of.
There some strange phenomenon happens to your childhood friend, Haruma Motoki, which is followed by the appearance of an unidentified detective and a strange researcher.
The wheel of fate spun by your forgotten memories has begun to turn once more.

[from Google Play]