Queen of the Scene

The same plot - MC is pulled into a webcomic written by her father, and has to navigate to get out
She saves life of the main character of the webcomic, etc

The same plot - FL is pulled into a web novel, and switches places with the FL from the novel. The novel is in Joseon lmao and FL lives there :) falls in love, changes the novel script published in 21st century, and eventually she choses the identity swap to be permanent

High schooler Eun Dan-o (Kim Hye-yoon) discovers she is actually a background extra in a romance comic book. Realizing she has no control over her own destiny, she decides to rewrite the story by changing her fate and finding her own true love.

A writer of 19+ R-rated web novels, Nam Ja-yeon (Han Ji-hyun), unexpectedly gets transported into her own story and becomes the female lead. She then embarks on a sizzling romance with the novel's perfect male protagonist (Lee Sang-yi)

A man has to live through 12 pre-scripted deaths
this is sci fi action thriller and is quite gory