Amno Swordsman

Amno is a part-time shift manager at The Big Munch. One evening after work, he sees a woman battling cross-dimensional monsters. After asking for his assistance, she unlocks not just the dormant trauma within Amno but his abilities as well. The era of sword and war is over, and the era of science and peace appears to be short lived. What strange war is coming Amno's way, and what has this family of bizarre scientist been up to?