Three Kingdoms: Guandu Became Yan Liang's Subordinate General

Carrying the DingTalk sign-in system through Guandu, the protagonist becomes Yan Liang's general. After seeing through Xun You's plan to attack the east and west, Guan Yu had already attacked in front of Baimapo. In a dangerous situation, use sign-in to obtain combat supplies and find a way out in troubled times.