Quick answer — Akiko Mutou worked on Gintama: THE VERY FINAL (Sound Effects), Kotaro Lives Alone (Sound Effects), Colorful ~ The Motion Picture (Sound Effects Assistance) and 10 more anime.
Akiko Mutou worked on Gintama: THE VERY FINAL (Sound Effects), Kotaro Lives Alone (Sound Effects), Colorful ~ The Motion Picture (Sound Effects Assistance), GINTAMA - Mr. Ginpachi's Zany Class (Sound Effects), Detective School Q (Sound Effects), Ghost Stories (Sound Effects), Yu Yu Hakusho OVA: "Two Shots" and "All or Nothing" (Sound Effects), Dorohedoro: Ma no Omake (Sound Effects) and 5 more.