"Once upon a time life became different because i met you.....met you in different Lifetimes........."    Son Chaeyoung and Chou Tzuyu had been in love.... Love was never a problem.....fate that is....... Time and fate Took the one and only person that she loves....  as she mourns thinking that life is over without her....  something snaps out of reality.....  "Ill give you every chance to look at every possible lifetimes for you to choose....choose and live to find the most important thing in youre life"