Reincarnation - The Divine Doctor and Stay-at-home Dad - Chapter 787: Kathryn's Later Move

The unparalleled Demon King Ye Xuan, who was able to heal the death or the living alike and holder of the medicine Holy Scripture, was betrayed and killed by his fellow Demon Kings. But he reincarnated into the body of Ye Xuan, the prodigal son of the Ye family and vowed to himself that he would return to his peak and take back everything that belonged to him!

- Description from Novelupdates

Follow Benjamin Joyce, an elderly man with a passion for blacksmithing who spent his life travelling the world and learning new things. Now, after helping out the developers of the first ever real VRMMO game, he gets the chance to play said game earlier than the majority of other people.

The ordinary world is not ordinary, ordinary people are not ordinary, and safe places are not safe.

This is a story of a passer-by male protagonist who is entangled by various girls with strange hobbies or even non-human beings while surviving in the cracks and opening a harem.

- Description from novelbuddy