Welcome to Engamori, the cozy town where supernatural beings are your friendly neighbors. For generations and to this day, the otherworldly Yokai and humans have continued to protect their easygoing way of life. Enjoy the mountain breeze and uncover the mysterious bonds that lie within.

A gate to another world opens in Mikado City, and monsters called Neighbors emerge. It's up to Border Defense agent Osamu Mikumo to fight them.

A gate to another dimension has burst open, and from it emerge gigantic invincible creatures that threaten all of humanity. Earth's only defense is a mysterious group of warriors who have co-opted the alien technology in order to fight back!

Three junior high school girls are brought together by fate when they hear a voice asking them to save the world. The land that calls them is named Cephiro and the voice belongs to Princess Emeraude. She stands as the Pillar whose will maintains the peace of this magical world where belief is power. But the peace in Cephiro is now threatened as Princess Emeraude is imprisoned and monsters begin to invade. With her last bit of strength, the princess summons forth the three girls who must fulfill their destiny to become the Magic Knights in the hopes of saving her world.

Hades is planning to take over the world, to achieve that goal, he sends out deceased Gold Saints to take Athena's head. Seiya and the other Bronze Saints come to help but their help isn't appreciated by the remaining Gold Saints that are still alive.

Hades is planning to take over the world, to achieve that goal, he sends out deceased Gold Saints to take Athena's head. Seiya and the other Bronze Saints come to help but their help isn't appreciated by the remaining Gold Saints that are still alive.

The border defense organization "Border" was established to fight against the attacks of the "Neighbors" who possess unknown power. Osamu Mikumo, a member of the Border, forms the Mikumo Squad with Yuma Kuga, a Neighbor who he met by chance, and his childhood friend Chika Ametori, and they struggle to win the internal Border rankings in order to join the expeditionary force to the Neighborhood.

With Hyuse joining the Tamakoma Squad, the rank wars are continuing and the Tamakoma squad are striving to get selected for the Away Missions.