Tsubasa Yamaguchi is a Japanese manga artist best known for creating "Blue Period," a critically acclaimed series that explores the world of art and self-discovery. Serialized in Monthly Afternoon magazine since 2017, the manga follows high school student Yatora Yaguchi as he discovers his passion for painting and pursues admission to Tokyo University of the Arts. Yamaguchi's work has garnered widespread praise for its authentic portrayal of the artistic process and the competitive nature of art education in Japan. "Blue Period" won the 2020 Manga Taisho award and has been adapted into an anime series, solidifying Yamaguchi's reputation as a prominent voice in contemporary manga.