Might as Well Cheat: I Got Transported to Another World Where I Can Live My Wildest Dreams! (Manga) Vol. 4

Tauro has been enjoying life in another world with his cheat-level healing ability, visiting brothels and attending the operator school to learn to pilot mecha-like robots. Suddenly, the Knight Corps rejects him and refuses to further his training, but another organization is interested in his talents. He's tangling with those elves again, too... A middle-aged man's fantasy life continues!