System! the Male and Female Protagonists Are Going Crazy!

Yao Mu, an excellent retired female soldier, was stabbed and fell into a coma on her way home from the army to visit her parents. Accidentally bound to the system to get to know the male protagonist, the male protagonist also owns the system. The two return to the Nanjing Massacre together. Complete tasks with many historical nodes. They don't seek fame or fame, they only seek the truth.