Nowdays i addicted to the story where the mc become someone in the novel they read ( like ...

To Be or Not to Be is a fantastic read.

I’m a bit rusty on this genre, especially when my entire reading list got purged so, If you want a bit more comedy (most of these make fun of RoFan tropes tho):
https://www.mangago.me/read-manga/beware_of_the_villainess/
https://www.mangago.me/read-manga/what_a_bountiful_harvest_demon_lord/ (same universe and author as Greatest Estate Developer)
https://www.mangago.me/read-manga/miss_not_so_sidekick/
https://www.mangago.me/read-manga/rolling_in_bed_with_the_male_lead/ (BL)
https://www.mangago.me/read-manga/how_to_survive_a_romance_fantasy/

Personal recommendations:
https://www.mangago.me/read-manga/trash_of_the_count_s_family/
https://www.mangago.me/read-manga/got_dropped_into_a_ghost_story_still_gotta_work_novel/ (this technically counts; it’s more akin to being dropped into the SCP universe tho, in the sense it’s not a “novel” but an open concept with multiple writers)
https://www.mangago.me/read-manga/what_happens_when_the_second_male_lead_goes_on_strike/ (Got axed but has an ending…)
https://www.mangago.me/read-manga/ending_maker/ (Game characters, not novel characters, but same core premise + I love a plot with multiple reincarnators)