Quick answer — Miho Karasawa worked on Violet Evergarden: Special (Insert Song Performance), That Time I Got Reincarnated as a Slime (Theme Song Performance), That Time I Got Reincarnated as a Slime OAD (Theme Song Performance) and 10 more anime.
Miho Karasawa worked on Violet Evergarden: Special (Insert Song Performance), That Time I Got Reincarnated as a Slime (Theme Song Performance), That Time I Got Reincarnated as a Slime OAD (Theme Song Performance), As a Reincarnated Aristocrat, I'll Use My Appraisal Skill to Rise in the World (Theme Song Performance), Beautiful Bones -Sakurako's Investigation- (Theme Song Performance), Gargantia on the Verdurous Planet OVA (2014) (Theme Song Performance), Gargantia on the Verdurous Planet OVA (Theme Song Performance), Unnamed Memory Season 2 (Theme Song Performance) and 5 more.