Tokyo Magnitude 8.0

One day, while Mirai Onozawa and her brother are visiting Tokyo, a massive earthquake occurs. What will they do when they're caught in the middle of the devastation?

After the earthquake, Mirai searches desperately for her brother, Yuki, inside a building that will collapse at any moment.

Mirai, Yuki, and Mari set out in search of their homes. What awaits them as they get further outside the city is more dangerous than they imagined.

Mari, Mirai, and Yuki prepare for the journey away from Odaiba, but the siblings find themselves in trouble after separating from Mari.

The trio finds shelter in their school, but the aftershocks prevent them from having any kind of rest.

They finally reach Mari's work, but Mirai and Yuki are startled when Mari passes out. With constant aftershocks, they know that the trouble is far from over.

Rescue robots have finally arrived tohelp, but the emotional and physical trauma of the quake has taken its toll on Yuki.

When Yuki collapses and is taken to the hospital. Worried, Mirai waits by his side, desperate for him to get well.

Mari returns home and finds it a desolation zone. Desperate to find her mother and her daughter, they check in with every crisis center in hope of finding them alive.

Mirai can't handle the talks of Yuki's death. Later, Mirai finds out where her parents are, and she gets news that will devastate her.

Mirai finally returns home. Tokyo continues to recover from the earthquake, but Mirai must also try to recover from the emotional devastation she experienced.