Dumplings, Yuzu, and Kokoro

Kippei goes looking for Yu who went to walk home alone. Yu ends up following a puppy and decides to help the puppy look for its mother. Kippei calls his family to report he hasn't found her and they set out to search, close to nightfall. Eventually he runs right into Kokoro rounding a corner, he tells her Yu disappeared, and she helps him look for her.

Synopsis excerpt via Kitsu.