
Quick answer — Miyuki Yamaguchi worked on Kaguya-sama: Love is War -Ultra Romantic- (Title Logo Design), Kaguya-sama: Love Is War -Stairway to Adulthood- (Title Logo Design).
Miyuki Yamaguchi worked on Kaguya-sama: Love is War -Ultra Romantic- (Title Logo Design), Kaguya-sama: Love Is War -Stairway to Adulthood- (Title Logo Design).