Quick answer — Ruka Kawada worked on I Made Friends with the Second Prettiest Girl in My Class (Music), School Babysitters (Music), Is the Order a Rabbit?? ～Dear My Sister～ (Music) and 14 more anime.
Ruka Kawada worked on I Made Friends with the Second Prettiest Girl in My Class (Music), School Babysitters (Music), Is the Order a Rabbit?? ～Dear My Sister～ (Music), Is the Order a Rabbit?? Season 2 (Music), Is the Order a Rabbit?? ～Sing For You～ (Music), The Invisible Man and His Soon-to-Be Wife (Music), Hello!! KINMOZA! (Music), Is the Order a Rabbit? (Music) and 9 more.