OSAKA--Nayuta Sato has been playing the piano since he was 4 and always wanted to perform with his mother, who couldn’t play any instruments.

On July 13th (Sunday), fhána and Sachiko Kobayashi made an appearance at AEON LakeTown mori, to help kick off the release of their respective opening and ending songs, “Parade of Tears” and “Bokutachi ...