Ep. 4: A-Rank Agent Ai Kitora Questions Osamu's Claim Regarding Marmod
Aired on November 2, 2014

Osamu receives more trouble than credit for claiming to have defeated Trion Soldier Marmod. He is actually covering for the Neighbor, Yuma. Ai Kitora, an A-rank Border Agent, is furious with Osamu for stepping out of line. The situation raises questions about whether she suspects the truth behind his actions. This incident highlights the tension between Osamu's protective motives and the strict protocols enforced by high-ranking agents within the organization.
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
- Ep. 7 · Osamu contacts Yuma and Replica while Chika learns critical Neighbor details
- Ep. 8 · Shuji and Yosuke join snipers to fight Yuma while Osamu seeks Yuichi's help