Yuki Yuna is a Hero: The Washio Sumi Chapter is a prequel anime to the original Yuki Yuna is a Hero series. It focuses on the story of three girls who are chosen as heroes to protect the world from the Vertexes, mysterious beings that seek to destroy the Shinju, the divine tree that sustains life. The three girls are Washio Sumi, a calm and composed leader, Nogi Sonoko, a cheerful and optimistic girl, and Minowa Gin, a tomboyish and energetic girl. Together, they form the Hero Club and undergo rigorous training to prepare for their battles.
The anime is a mix of action, drama, and tragedy, as it shows the harsh reality of being a hero. The anime explores the themes of friendship, sacrifice, and courage, as the girls face the consequences of their actions and the price they have to pay for their duty. The anime also reveals the backstory of some of the characters from the original series, such as Togo Mimori and Karin Miyoshi, and how they became who they are.
The animation is stunning and fluid, especially during the fight scenes. The anime uses a contrast between the bright and colorful world of the girls and the dark and gloomy world of the Vertexes, creating a sense of tension and danger. The character designs are cute and expressive, showing the emotions and personalities of the girls. The anime also has a beautiful soundtrack that matches the mood and tone of the scenes, ranging from upbeat and cheerful to sad and melancholic.
Yuki Yuna is a Hero: The Washio Sumi Chapter is an anime that will make you cry and smile at the same time. It is a heart-wrenching and touching story that will make you appreciate the value of friendship and life. It is an anime that will make you proud to be a hero.