Dungeon Diver: Stealing A Monster's Power - Chapter 39

Anna a normal girl waiting to have all her dreams come true falls into a deadly trap when she begins to desire someone she shouldn’t. After being shocked to reality of her boyfriends betrayal she dives head first into the flames of sin with the Don of the underworld.
Ren a ruthless cold heartless man lusts for someone he shouldn’t but can’t let go. He just didn“t realize how taboo she was an...

I am Master Siwei, and I speak for arcane arts.
This is an era of heroes and heroines.
This is an era of great changes.
In the end, it will be an arcane era opened by me.

- Description from Novelupdates

Ha Joon Kim is a loser. No amount of luck was going to save him from that fate, he was always going to be that loser.But what happens when he dies and gets reincarnated in another world where everything seems different. Where gods and heroic spirits of all eras are in existence.Not only that, but his smartphone is with him? And it grants him skills?.[Instant learning acquired][This skill allows you to gain abilities from leaning]He knew the essence of water.[You have gained a new skill.][Water manipulation.][50 endurance points have been deducted.]....[Knowledge of the gods acquired][This skill lets you tame… tame…]Giving another chance to live life, Ha Joon decided he wasn't going to be that loser anymore, instead, he was going to help the king of Camelot, or rather, The queen of Camelot rule a successful Kingdom.From getting the goddesses to fall in love, to even making Merlin beg for his attention, he was finally getting everything he wanted from life.The traveler… the only human in the old world to tame the gods.

The undisputed greatest doctor in Korea, Baek Gang Hyuk.