Recommendation

https://www.mangago.zone/read-manga/debut_or_die/
GOAT
https://www.mangago.zone/read-manga/saving_the_doomed_idols_with_my_touch/
rich mc, and the art is cutesy
https://www.mangago.zone/read-manga/once_again_idol/
regression ig
https://www.mangago.zone/read-manga/i_became_the_youngest_top_idol/
Also regression eeee I love this one so much
https://www.mangago.zone/read-manga/holy_idol/
this is embarrassingly funny priest turn idol
https://www.mangago.zone/read-manga/love_remedy_1/
this if u want bl and smut and abo
https://www.mangago.zone/read-manga/acting_genius_top_idol/
used to be an actor

seeing the numbers of ur reading list, I think you've read all of my recommendation, so lemme just go through ur list one by one, looking for smth to read since all of it looks amazing (￣∇￣")

https://www.mangago.zone/read-manga/this_life_starts_as_a_child_actor/
child actor
https://www.mangago.zone/read-manga/monochrome_rumor/
shounen ai ! another goat, from daddy to baby real quick
https://www.mangago.zone/read-manga/andsum_save_the_world/
Also a comedy, indeed, we need a handsome men to save the world
https://www.mangago.zone/read-manga/the_ceo_is_an_idol_stan/
cute artstyle + comedy, literally my favoritee, I wish there's more
https://www.mangago.zone/read-manga/the_genius_actor_s_aura/
actor, went back in time too
https://www.mangago.zone/read-manga/sasaeng_obsessive_and_tenacious/
A psychological story, about sasaeng and idol
https://www.mangago.zone/read-manga/superstar_from_age_0/
countless reincarnation, actor
https://www.mangago.zone/read-manga/no_longer_a_heroine/
Romance, female mc, actress
https://www.mangago.zone/read-manga/when_the_killer_falls_in_love/
Comedy, actor X killer, shounen ai