The World’s Most Terrible Mercenary Reincarnated as a High School Student with an Organ Transplant. ~The Story of Royal Consort~

In 'The World’s Most Terrible Mercenary Reincarnated as a High School Student with an Organ Transplant', follow the gripping tale of a powerful mercenary soldier reborn into a Japanese high school student's body, his past life's memories and skills intact. Dive into a world of action, tragedy, and harem dynamics as he navigates his new existence.