16. World Trigger 

In a world of malicious demons and the Border guards who protect humankind, there are strict rules. Guard trainees cannot fight or use their weapons, called Triggers. But when Osamu Mikumo is forced to choose between the right thing and following the rules, he discovers an important secret that turns his world on its head. Prepare for a fast-paced mystery!

One of the main characters, Murakami Kou, is also training to become a Guard.

The Mikumo Unit ready for action!