The Record of the Burning Heaven of the Three Kingdoms: Guan Sheng Nizi

Protagonist: Guan Jing, 16 years old, a descendant of Guan Yu (set as the fourth son whose young name is Guan Yue and lost in historical records), a modern soul who has traveled through time. Starting point: Winter of 219 AD (the eve of Guan Yu's departure to Maicheng). Identity: After traveling through time, he was found in Chengdu. Due to his long-term wandering and frail health, he was placed in Chengdu by Liu Bei and Zhuge Liang to recuperate. Ability: Familiar with historical trends, thoughtful and resourceful, proficient in modern basic concepts (geography, organization, psychology, simple technical applications). He initially had low martial arts skills and was weak, but after hard training and actual combat, he grew into a second-rate or above level).