Alley Past Events

After so many years in a coffee shop, I actually saw him and his childhood best friend together! Jealous, I poisoned them, and when I was about to be arrested, I traveled back ten years through the mysterious shop owner's photo. If I hadn't reported to my parents about his mother's affair, wouldn't they have become orphans together? Can this change our final destiny? Can I redeem my childhood scars through the time travel...