Hidamari no Ki (陽だまりの樹, lit. "Tree in the Sun") is a Japanese manga series written and illustrated by Osamu Tezuka about a friendship between a samurai and a doctor in the final days of the Tokugawa Shogunate. Hidamari no Ki received the Shogakukan Manga Award in 1984 for general manga. It has been adapted into an anime series, by Madhouse and premiered in Japan on NTV on April 4, 2000. It also was adapted into a television drama, and also a 2021 stage play starring Sugeta Rinne of the boyband 7 MEN Samurai.