Full-Time Mage: Crazy Cultivator of Thunder System, Heavenly Thunder Helps Me!

[Single Thunder System] [Double Heroine] [No System] The person who is dead due to cause and effect has a mysterious magical heart. A small piece of the puzzle of cause and effect in the magical world can cause huge changes in the entire world. The island country's stunning cherry trees and all the mythical demons have been resurrected! Sea levels are rising sharply, and mysterious tree roots under the sea! The sky cracked open, and the petals of nothingness took away the life. The magical world excludes a girl named "Sakura". "When the world is destroyed, Mr. Chuan, will you come to save me? "