Yukiko Horiguchi

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Yukiko Horiguchi (堀口 悠紀子, Horiguchi Yukiko, born 28 January 1983) 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.^[1]

She is the older sister of BUNBUN (also known as abec), the original character designer for the anime Sakura Quest and the illustrator of the light novel series Sword Art Online and Sword Art Online: Progressive. She is close to her brother and was once part of a doujinshi circle with him.