Magika no Kenshi to Shoukan Maou - Volume 14 Amasaki Mio—san is at the Forefront

A good-for-nothing man married a beautiful girl but was kicked off the bed on the wedding night. Furiously, he wrote a bill of divorce and ran away.
He was schemed a car accident in which he nearly lost his life. However, it turned out to be a blessing. He swallowed the soul that passed through the outer world, thus obtained superb medical skills and martial arts.
Later on, with the silver needles and invincible martial arts, he embarked on the road of counterattacks and was committed to his great dreams.

- Description from Novelupdates

Fight. Heal. Survive.The Integration didn’t just change the Earthen Union—it tore it apart. Monsters, mayhem, and madness turned civilization into a battlefield.Yet, while the world crumbled under the weight of despair, David felt something unexpected: he felt at home.Even after being forced into the [Cleric] Class, David refused to yield. He adapted, turning his unwanted gifts into tools of both healing and destruction, forging himself into a battle-hardened healer unlike any before.

Three thousand years of bowing down to the Demon Lord, I would rather be a mortal than a celestial being when looking back, but for her I will… become one who controls life and death!

He was just an ordinary man from modern era.Yet he was also a feared deity worshipped in divine era.In this time where gods walked with mortals, he will survive and thrive.He is no longer a man.He is Hades, the God of the Dead and King of Underworld.