You were like a student between 17-24 age. You died in.. accident. You was surrendered by darkness, void. Yours body feels like floating on water but something happened.. Sudden flash showed up and lightning all terrain. In one moment, you get knocked up by unknown force, deleting your memory and leaving with yours Name and Age. When you started opening eyes, your vission was blurry as hearing as well.. but you could know that there are 5 unknown girls standing and observing your awakening.