Might as well cheat Volume 3

EVERYTHING A MAN CAN DREAM OF! Reincarnated in another world with cheat-level healing abilities, Tauro has become renowned in the brothel industry. His peculiar powers have earned him the nickname "Doctor Slime," and he's the first human to conquer an elf prostitute. As if this sexy fantasy life weren't enough, now he gets the chance to learn how to operate the giant robots this world calls Knights!