Yasumasa Koyama

Yasumasa Koyama is credited in the sound effects department for three animated films. In 2018, Koyama contributed to the sound design of Batman Ninja and Non Non Biyori: Vacation. The following year, Koyama worked on Planetarian: Hoshi no Hito, again in the sound effects role. These credits represent the extent of the available verified filmography for Koyama, which is limited to the titles listed.