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A Promise by the Three

Anime

22

Aug 7, 2025

After receiving relief supplies, they take a breather for a short time until Mirai's irritation turns into taking it out on Yuki, and they have a big fight. However, an active fault that appeared under Tokyo Tower with the aftershocks obliterates it all!

Full Episodes

Season 1, 11 episodes

Season 1

Mirai is tired of everyday life. She accompanies Yuki to a robot expo in central Tokyo. A magnitude 8.0 earthquake would then change their lives forever.

22m Aug 7, 2025

Mirai and Mari looks for Yuki amidst the chaos of fleeing people, but a series of secondary disasters - aftershocks, fires and liquefaction - prevent her from doing so. Can the two be reunited?

22m Aug 7, 2025

Mirai and Yuki, together with Mari, whom they met on the way, are heading towards home. Despite being caught up in the panic caused by the aftershocks, the three managed to board the ship.

22m Aug 7, 2025

A Promise by the Three,

After receiving relief supplies, they take a breather for a short time until Mirai's irritation turns into taking it out on Yuki, and they have a big fight. However, an active fault that appeared under Tokyo Tower with the aftershocks obliterates it all!

22m Aug 7, 2025

School House of Lamentation,

Mirai is distressed by the transformation of her familiar school. She is treated kindly by an elderly couple who work there as volunteers, and her view of adults changes. She seeks out what she can do to help.

22m Aug 7, 2025

Abandoned Choice,

They hear news of the burning down of Sangenjaya, Mari's hometown. Mari tries to seek more information, but without any way to get it, she falls ill. Mirai and Yuki then put an idea into action to help Mari return home as soon as possible.

22m Aug 7, 2025

Mirai and Yuki get to know Kento. They make fun of him as a robot geek, but gradually they are attracted to his words and actions as he seriously considers the future. Meanwhile, he is trapped in the rubble with the rescue robot he was chasing!

22m Aug 7, 2025

A Pure White Morning,

Yuki suddenly loses consciousness and is taken to hospital. An operation is performed immediately, and Mirai and Mari wait in suspense. However, when Mirai wakes up, she sees Yuki in good health. The three of them start their journey home again.

22m Aug 7, 2025

Farewell for Today,

The three arrive in Sangenjaya. Mari desperately searches for her daughter and mother but has no idea where they are or whether they are alive or dead. Then, thanks to Mirai and Yuki's quick thinking, Mari is reunited with them.

22m Aug 7, 2025

Sis, Listen…,

Parted ways with Mari, they decided to stop by Yuki’s primary school on the way home. There, Mari sees Yuki’s footprints and burst int tears. Yuki should be here, but why? Unable to dispel her doubts, Mirai heads home with Yuki.

22m Aug 7, 2025

Finally arrived home. Reunited with her family after a long time. Having lost so much in the earthquake, Mirai is left with a void in her heart and time passes. When she switches her mobile on for the first time in a month she finds many messages on it.

22m Aug 7, 2025