At the age of 15 Miyami Maine dies from a terrible accident involving her friend Kaida who makes it out alive. Kaida visits Miyami's grave to find that it has been dug up.

What is time, but a series of events to unfold, rewind, slow down, speed up or divide? If it can be measured what is its weight; if infinite then nothing. To businessmen, time is money, to the philosopher a river; and in life of humankind, brief; but moments last forever. It’s true that hum...