Atsumi Tachiki, a member of Emergency 5, fights against the Yoma Clan threatening Earth. During battle, she confronts Salamandia, a high-ranking Yoma officer who appears as a beautiful young boy. Drawn to her kind, pure heart and deep emotional sensitivity, Salamandia gradually begins to open up to her. However, he transforms his body into a monster and ultimately ignores Atsumi's pleas. Despite her heartfelt appeals, the story ends in tragedy. This sorrowful tale portrays her sincere desire to end the war between humans and the Yoma, as well as the strength of her love for Salamandia.