The phrase roughly translates to themes involving staying with a "relative's child," a common trope in slice-of-life and drama anime where characters are forced into new living situations that spark personal growth—or conflict.
Most recent updates suggest that the project has moved into a more serialized format, with new "clips" or short-form episodes being released periodically on independent platforms. shinseki no ko to wo tomaridakara de nada animation upd
If you are looking for the latest "upd" (update) on the project, here are the current highlights from the community: The phrase roughly translates to themes involving staying