In Izumo: Takeki Tsurugi no Senki Episode 1, titled "Voices from the Dreams," viewers are introduced to Yagi Takeru, a high school student and kendo enthusiast living with his adoptive guardian, Touma Rokunosuke. Takeru's daily life revolves around friendly rivalry with his best friend, Yamato Takeshi, and interactions with close companions, including the Shiratori sisters, Kotono and Asuka, and childhood friend, Oosu Seri. Their seemingly ordinary school day takes a dramatic turn when a sudden earthquake strikes, plunging the school into chaos. Upon regaining consciousness, Takeru discovers the once-familiar campus in ruins, overrun by dense vegetation, and eerily devoid of people. As he reunites with Seri and Asuka, they realize the entire town has transformed into a desolate wasteland. Their confusion deepens when mysterious cloaked figures appear, revealing that they have been transported to an alternate world. This episode sets the stage for an enthralling journey, blending elements of fantasy and adventure, as Takeru and his friends navigate the challenges of an unknown realm.