Mental Omega: the Global War Begins with the Anti-Japanese War

Bai Xiaofei accidentally traveled to 1937 and obtained the Red Alert Psychiatric System. Just when Bai Xiaofei was barely able to gain a foothold in this world, Through Yunru, Bai Xiaofei discovered that the time and space he traveled through turned out to be the history with the background of Mental End. Experience sudden attacks by troops from various other factions Bai Xiaofei realizes that he is not the only one who has traveled through this world. The real behemoth had already quietly grown to an unshakable level while they were fighting on their own. Brain depository.