Ep. 2: Osamu struggles with Border's enemy designation of Neighbor Yuma as trust develops between them.
Aired on October 12, 2014

Border identifies Neighbor Yuma as an enemy, yet Osamu cannot perceive him as hostile. Consequently, a bond of trust begins to form between the two boys. Osamu finds himself torn between his personal feelings and the strict regulations of the organization he serves, Border. This internal conflict highlights the tension between his growing connection with Yuma and the demands of his duty, forcing him to navigate a complex situation where his own thoughts clash with the established rules of his group.
Episodes
- Ep. 1 · A portal to another dimension opened in Mikado City, bringing forth alien invaders known as Neighbors.
- Ep. 2 · Osamu struggles with Border's enemy designation of Neighbor Yuma as trust develops between them.
- Ep. 3 · Osamu Mikumo Faces Trion Soldiers at His School Near the Forbidden Zone
- Ep. 4 · A-Rank Agent Ai Kitora Questions Osamu's Claim Regarding Marmod
- Ep. 5 · Kitora Jumps onto Ilgar as the Trion Soldier Targets the City
- Ep. 6 · Osamu faces pressure during the gate investigation while Yuma acts on Replica's advice