Ep. 4: Isami leads refugees to a camp near the SDF base where they experience Japanese culture
Aired on July 25, 2015

4
Isami and his group transport refugees to a camp established near the SDF base. The newcomers are initially surprised by their first encounters with Japanese culture. However, they gradually begin to appreciate and enjoy the local food and bathing facilities. This transition marks a significant shift in their experience as they settle into the new environment provided by the camp.
Episodes
- Ep. 1 · Monsters invade Shibuya through a mysterious gate in Tokyo
- Ep. 2 · JSDF enters the Gate and faces a massive enemy force before Isami leads a squad to investigate a dragon attack.
- Ep. 3 · The team encounters an elf girl after a fire dragon attack and faces the beast with a rocket launcher.
- Ep. 4 · Isami leads refugees to a camp near the SDF base where they experience Japanese culture
- Ep. 5 · Itami's unit prepares to defend Italica from an impending siege.
- Ep. 6 · SDF forces destroy invaders at Italica while Itami negotiates with local rulers
- Ep. 7 · Itami faces Rose Knights and princess's desperate atonement offer in Italica.
- Ep. 8 · Foreign visitors clash with Japan after a mysterious Tokyo attack