Tsubasa Yamaguchi

is a Japanese manga artist. After she graduated from Tokyo University of the Arts, she created two one-shots before launching her first full series, a manga adaptation of She and Her Cat. Following its completion, she launched Blue Period.

Biography Tsubasa Yamaguchi was born on June 26 in Tokyo. After graduating from Tokyo University of the Arts,

On June 17, 2017, she launched her second series, titled Blue Period, in Monthly Afternoon. In 2019, Yamaguchi got married. In the same year, Blue Period was nominated for the Manga Taishō and the Kodansha Manga Award in the general category. In 2020, Blue Period won the Manga Taishō and the Kodansha Manga Award in the general category. It was also nominated for the Tezuka Osamu Cultural Prize in 2020. An anime television series adaptation of the series aired in October 2021.

Works Series (serialized in Monthly Afternoon) (2016) (published in Good! Afternoon) (2015) (2022)

Other (light novel illustrations) (2020) (film character designs) (2026)