Shiro, the Giant, and the Castle of Ice(2020)

Shiro, the Giant, and the Castle of Ice is an anime series set in Minami Shimabara, Nagasaki, a city steeped in feudal Japanese history. When Shirou, a third-year junior high student, reunites with his childhood friend Akane after she returns from Tokyo, the pair reconnect with their mutual friend Tokiya. Their nostalgic summer walk takes an unexpected turn when they encounter Goron, a mysterious creature whose arrival sets off a chain of extraordinary events. As the three friends grapple with rekindled emotions and the mystery surrounding their strange new companion, the quiet city becomes the backdrop for an unfolding adventure that will test their bonds and reshape their understanding of their hometown.