Resistance War - Call a Su Weapon Master at the Beginning

Jacky Cheung accidentally traveled to the 20th century and accidentally woke up to the system. He did not intend to do anything with the system. He was determined to rely on the system to kill the Japanese and resist the enemy's invasion. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.