堀口悠紀子

Yukiko Horiguchi is a Japanese animator and illustrator from Kyoto Prefecture who worked for the anime studio Kyoto Animation. When illustrating a light novel, she uses the pen name "Shiromizakana" (白身魚). She is best known as the character designer for the anime adaptations of K-On! and Lucky Star and as the illustrator of the light novel series Kokoro Connect.