transmigration/ reincarnation cdramas

main character in a game

author transmigrates in her screenplay

main character transmigrates in a game

main character reincarnatiates after a tragic fate and decides to go a different path

both high gods reincarnate without memories as immortals

main character waking up in a book and having to complete missions

main character touches ancient dagger and wakes up in an alternate univerese

going back into the past/future with an extra past life story

main character in a love game 

fairy that reincarnates without memories  

immortals going through human tribulations after their tragic parting

what is reality? is the main character sucked in a game or in an alternate universe