Beiping Beacon: Steel Oath

A newly graduated civil engineering student, Hao Nanren, wakes up in 1933 as Lin Huai'an, a spoiled slacker in Beiping. Facing a crumbling nation and his uncle's death at the Great Wall, he swears a different oath: to enter a top university and save the country with knowledge. Mocked as a useless playboy, he hides a future soul with a super database. While others train with bayonets, he optimizes weapon blueprints; while they shout slogans, his ghost squad builds defenses with advanced tactics. A hardcore knowledge revolution to forge the backbone of a bleeding era. Dedicated to all who fought in the War of Resistance against Japan.