Butterfly Effect is only a thing within the Chaos Theory.
"The flapping of the wings of a butterfly can be felt on the other side of the world", fortunately, or perhaps unfortunately, that butterfly was a man reincarnated as a child in another world, and thus the legend of Suhyeon Kim was born.
Crossover List:
PTJ Verse
Bluestring Universe
Hectorpascal
Weak Hero
To not Die
Mercenary Enrollment
Kengan Ashura
