Baki-Dou) is composing the music. Minami Kuribayashi is performing the opening theme song "Zankoku na Yume to Nemure" (Dream a Cruel Dream), and ARCANA PROJECT are performing the ending theme song "Yume de Sekai wo Kaeru nara" (If You Can Change The World in a Dream). The "revenge fantasy" story centers on Keyarga, a healer who is used and tossed around by his fellow adventurers on the assumption that healers cannot fight on their own. However, when he achieves the ultimate healing magic, and "heals" the world itself, he goes back four years to redo his life. Tsukiyo began serializing the on...