Yayoi Amatsuka

Yayoi Amatsuka is a 24-year-old battle-hardened Valkyrie who once carried the prestigious title of 'Helmwige.' Revered by her juniors as the ultimate big sister figure, she combines raw charisma with hard-won experience to guide and protect the next generation, including Miyako and Sonoka. Her story reaches its defining moment during the Mount Fuji operation, where she makes the ultimate sacrifice to rescue trapped comrades—an act that cements her legacy as the moral compass and driving force behind the protagonists' growth.