Quick answer — Mayuko Koyama worked on Kaguya-sama: Love is War (Art Design), Let's Go Karaoke! (Art Design), Captivated, By You (Art Design) and 1 more anime.
OP
Kaguya-sama: Love is War - Opening 1
ED
Kaguya-sama: Love is War Ending 2 ┃Creditless
ED
Tatted His Name So He Knows Its Real | Let's Go Karaoke!
OP
Captivated, By You Opening FULL『Rubble』by Keina Suda | Lyrics
ED
Captivated, By You Ending | "Bitansan Adolescence" by Daiki Yamashita
Frequently Asked Questions
What anime has Mayuko Koyama worked on?
Mayuko Koyama worked on Kaguya-sama: Love is War (Art Design), Let's Go Karaoke! (Art Design), Captivated, By You (Art Design), OneRoom (Art Design).