The protagonist accidentally falls to the bottom of a cliff during an adventure, and after obtaining the origin of Pangu, he is sucked into a space rift and travels across planes to a different world.
Later, the protagonist could not fuse at once, but his body became stronger every day.
Because the protagonist's physique has been changing, his lifespan has also increased infinitely, and his wife is basically a mortal. The number of heirs will continue to increase, and the heirs will continue to cause trouble. The protagonist is afraid of trouble, so he has no choice but to choose the simplest way to solve all troubles violently.
