Border Saga

Description
Border Saga is the first Saga in the World Trigger series. The Saga is mainly about the dealings of Osamu and Yūma and protecting Yūma from being captured by Border. The saga introduces Main Characters. It shows Osamu beginning to start a bond with Yūma. Yūma and Chika join Tamakoma Branch and Mikumo Unit Is formed in order to venture out to the neighbor side and rescue Chika's friend and Brother.