Yagi Takeru has been living in the Touma family's house since his parents are gone. He was raised by Touma Rokunosuke, the head of the house. He is surrounded by many people such as Yamato Takeshi, his best friend-cum-rival from the kendo club, the Shiratori sisters, Kotono and Asuka, and his childhood friend, Oosu Seri. Life has been blissful until one day, an earthquake strikes the school and everything changes. Takeru awakens to find that the school looks as if it has been abandoned for centuries and reduced to ruins. He also realize that all the teachers and students have disappeared as well. He meets up with Seri and Asuka and they fled from the ruins, only to realize that the town they used to live in is completely empty. Subsequently, people wrapped in cloaks appear before him. They were told that they have been brought to another world.
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(Source: Anime News Network)

Episode 1 - VOICES FROM THE DREAMS

Episode 2 - A STRANGE WORLD

Episode 3 - PARTED FRIENDS

Episode 4 - THE WAY THIS WORLD IS

Episode 5 - ATTACK

Episode 6 - FOUR SACRED BEASTS

Episode 7 - CONFRONTATION IN A FORTRESS

Episode 8 - A PEACEFUL TIME

Episode 9 - THINGS TO PROTECT

Episode 10 - YOMOTSU-HIRASAKA

Episode 11 - RAGING HEART

Episode 12 - THE TWO SPIRITS

Trinet Entertainment

Tokyo Kids

Studio Kyuuma

Izumo: Flash of a Brave Sword