Mirai Onosawa and her younger brother Yuki are visiting a robot exposition at Odaiba, Tokyo, when a massive earthquak...

Mirai looks desperately for Yuki after the earthquake inside a colapsing building along Mari Kusanabe, a female motoc...

Mirai, Yuki and Mari decide to reach their homes together, but just after starting their journey, they find that ther...

Having finally left Odaiba, the trio find a place to gather supplies and prepare theirselves for their long walk, but...

Mirai and company take shelter at her school's premises during the night, but their stay becomes far from peaceful as...

The group reaches Mari's workplace, where she loses conciousness because of amenia. During that time the kids are sud...

Rescue robots fill the scene, fascinating Yūki and leading him to meet a new friend, who shares his interest and is t...

Yūki collapses suddenly and is taken to the hospital, where Mirai agonizes over her brother's fate.

Mari finally reaches her home, only to find out that her house was destroyed and the fate of her mother and daughter ...

Mirai and Yūki are talking in the truck on the way back to their hometown, when Yuuki brings up the subject about his...

Mirai "escorts" Yūki back home, and is reunited with her mother and father. One month later, Tokyo is well into recov...