Series by 種村有菜

Mitsuki Koyama, a 12-year-old orphan with dreams of becoming a singer, is determined to fulfill a promise to her childhood love, Eichi, despite battling a life-threatening throat condition. Her grandmother, who despises music, forbids her from pursuing her passion, leaving Mitsuki feeling trapped. Everything changes when two shinigami, Takuto and Meroko, appear, revealing she has only one year left to live. Moved by her determination, Takuto uses his powers to transform Mitsuki into a healthy 16-year-old, allowing her to chase her dream as the singer "Full Moon." As she navigates the challenges of fame, hidden truths, and her own fate, Mitsuki discovers the power of love, courage, and the music that connects hearts.