Japan, Beyond the Gate
Itami and his group arrives in Tokyo where Lelei, Piña and the others are amazed with the city and its people. After meeting a Public Security agent, who reveals Itami's past on how a slacker like him became a member of the Special Forces Group, Itami, Rory, Lelei and Tuka heads to Japanese Diet while Piña and Bozes meets members of the Foreign Ministry to discuss the 6,000 Special Region prisoners under Japan's custody. At the Japanese Diet, Itami, Rory, Lelei and Tuka are questioned by the chairwoman for the Investigation Committee over the Fire Dragon attack, who accuses the JSDF of failing to protect the refugees killed by the Fire Dragon. Rory, Lelei and Tuka defend the JSDF and reveals how the Japanese soldiers have help and save many lives from the dragon.
Aired 22/08/2015EP 8 - Japan, Beyond the Gate

Gate
The military fantasy series begins when a gate appears in Tokyo's Ginza district sometime in the 21st century. From the gate pours out monsters, knights from middle-age Europe, and other fantasy-like beings, and they kill many of the citizens of Tokyo. This event is known as the Ginza Incident.
The government sends a small group of soldiers from the Japanese Self-Defense Forces (a replacement for Japan's military) to the alternate world beyond the gate. Led by otaku soldier Youji, they find that the villages in the world are being attacked by a dragon. An elf girl who is a survivor from the dragon's rampage joins the group in their travels across the dangerous new world.
(Source: Anime News Network)