Quick answer — Yukiko Matsunaga worked on Kaguya-sama: Love is War (Assistance), Doukyuusei -Classmates- (Assistance).
Anime by Yukiko Matsunaga
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Kaguya-sama: Love is War - Opening 1
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Kaguya-sama: Love is War Ending 2 ┃Creditless
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Doukyuusei Main Theme (Kotaro Oshio and Yuuki Ozaki
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Doukyuusei ED with lyrics #notmine #fan
Frequently Asked Questions
What anime has Yukiko Matsunaga worked on?
Yukiko Matsunaga worked on Kaguya-sama: Love is War (Assistance), Doukyuusei -Classmates- (Assistance).