Heaven Canceller, widely known as the "Frog-faced Doctor," is a physician renowned for his extraordinary expertise, capable of reversing even the gravest injuries and reviving patients teetering on the edge of mortality—a skill that earned him the title "Rescuer from the Other World." A healer of unparalleled compassion, he addresses any ailment or trauma except those rooted in the brain, such as memory loss or cognitive dysfunction, and acknowledges death as beyond his reach. Strict adherence to the Hippocratic Oath compels him to treat all who seek aid, ally or adversary, virtue or vice holding no sway over his care. His amphibian-like features, frequently observed by peers and patients, inspire his whimsical nickname. Unwavering dedication defines his practice: patient survival eclipses all other considerations, cementing his reputation as an impartial force where medicine transcends personal judgment or worldly conflicts.