Shumei Sasaki is a central character in the anime series 'Sasaki to Miyano'. He is a high school student who initially comes across as a tough and somewhat intimidating upperclassman. Despite his outward appearance, Sasaki is kind-hearted and considerate, often going out of his way to help others. His life takes a turn when he meets Miyano, a fellow student with a passion for Boys' Love (BL) manga. Sasaki becomes intrigued by Miyano and gradually develops romantic feelings for him, which leads to a touching exploration of their relationship throughout the series.