The Genius Healer Starts Over

Soter, a healer who has spent decades as an adventurer, is killed after a demon arrives to take his life by order of the Demon Lord. He has continued working as a healer despite being mocked by his companions, with no other path to choose. As Soter accepts that his life is over, he suddenly awakens in the body of an unfamiliar young man. The circumstances of his new life are left unexplained.