[Physical shuttle] + [Mortal counterattack] + [Single female protagonist] + [Industrial rejuvenation] + [Dual main lines of parallel worlds]
Ouyang Jian, a young man in science and technology who lost his parents and was in desolation, travels to the parallel world of the 1950s with the pocket watch left behind by his grandfather.
After 30 years of blood and tears in the military industry, he protected his boss, his beloved, and avenged his blood. Due to revenge against nature, time and space backfired and he lost his pocket watch ability and was forced to return.
The blood feud in ancient times has not been settled, but fate has reunited in this world. How can mortal bones hold up the sky without supernatural powers? This counterattack and protection across time and space has just begun...
