JackBlank ok sure.most are time travel or different world types.
Second Life of the King- A middle age man working for a software company is shot by a disgruntle employee, filled with regret he then finds himself ten years in the past on the fateful day he made the choice to get a job over playing the brand new MMO that would become a second world- He wont make the same mistake again.-
Building a Dungeon for Fun.- A man is living a normal life when he suddenly finds himself summoned dungeon in another world, the dungeon core explains that while she was supposed to get a Minotaur as a Dungeon master it was killed and she had to use the summoning to find a new Dungeon master resulting in her being a mix breed.
World Conquering Dungeon- After the final battle with the demon king the hero retires but the demon army is not destroyed instead becoming rival kingdoms, as the races and demons fight for resources no one realizes the Dungeons have had enough of being used by the other races to grew stronger and plan to turn the tables.
Fantastic pet kingdom- A New VRMMO is released that is sold as a unique experience for each player based off their personality, the MC finds after creating his profile that his personality created a unique class for summoning a kingdom of pets if he can find, capture, and raise them he may be able to build his own kingdom for himself.