All the conspiracies were slowly carried out in secret as early as 8 years ago. That night when the stars bloomed, the promise he made before his death would take many reincarnations to come true. Nowadays, things and people have changed, and there is some dark world hidden everywhere. The reunion came suddenly without warning, and he appeared in front of him as a stranger, pulling the fuse from time. If there is that one thing, it can allow you to change the world, it can allow you to travel between the past and the future, it can allow you to save everything. Just for the salvation you want. What will you choose, love or reason, one person or everyone. In the fight between the two types, they will not run away, they will fight with tears. Why are we standing alone and side by side?