kays

https://www.mangago.zone/read-manga/saving_the_doomed_idols_with_my_touch/
https://www.mangago.zone/read-manga/the_second_life_of_an_all_rounder_idol/
https://www.mangago.zone/read-manga/i_became_the_youngest_top_idol/
I haven't read them so I can't tell if they are actually good

thank you !!

https://www.mangago.zone/read-manga/once_again_idol/
https://www.mangago.zone/read-manga/in_this_life_the_greatest_star_in_the_universe/
https://www.mangago.zone/read-manga/my_second_life_as_an_idol/
https://www.mangago.zone/read-manga/the_genius_idol_s_strategy_to_stardom/
https://www.mangago.zone/read-manga/acting_genius_top_idol/

not idols but also showbiz
https://www.mangago.zone/read-manga/superstar_from_age_0/
https://www.mangago.zone/read-manga/king_of_drama/
https://www.mangago.zone/read-manga/i_am_with_the_music_immortals/
https://www.mangago.zone/read-manga/this_life_starts_as_a_child_actor/
https://www.mangago.zone/read-manga/the_genius_actor_s_aura/
https://www.mangago.zone/read-manga/be_the_actor/

thats a ton!! thank you^^

You're welcome! Hope there are some you didn't know yet.
Have fun reading ヾ(❀╹◡╹)ﾉ~

I think True education and Mercenary enrollment are kinda similar to lookism.