In a society devastated by the effects of an all-out war between heroes and villains, a mysterious giant fortress suddenly appears, engulfing towns and people one after another. Then, a man reminiscent of All Might, the "symbol of peace," stands in front of Izuku and his friends...

After a shipwreck, an intelligent robot called Roz is stranded on an uninhabited island. To survive the harsh environment, Roz bonds with the island's animals and cares for an orphaned baby goose.

Daryl washes ashore in France and struggles to piece together how he got there and why. The series tracks his journey across a broken but resilient France as he hopes to find a way back home. As he makes the journey, though, the connections he forms along the way complicate his ultimate plan.