War of Resistance: I Am Mentally Ill and Summon a German Weapon Master at the Beginning

Traveling through 1935, My fiancée broke off the engagement in public, and my family regarded me as an abandoned son! Tolerate? I'm mentally ill and I can't stand it! Everyone told me I was crazy. Yes, I am crazy! In this age of the jungle, truth only exists within the range of the cannon! I, Lin Che, don't talk about reason, I only talk about the caliber of artillery shells!