
Quick answer — Rei Ishizuka worked on With You and the Rain (Music), Flavors of Youth (Music), The Orbital Children (Music) and 2 more anime.
Rei Ishizuka worked on With You and the Rain (Music), Flavors of Youth (Music), The Orbital Children (Music), A Couple of Cuckoos Season 2 (Music), Pokémon the Movie: Volcanion and the Mechanical Marvel (Music).