Reco

https://www.mangago.zone/read-manga/a_blank_slate_regression_for_the_idol_that_lost_his_original_mindset/
https://www.mangago.zone/read-manga/debut_or_die/
https://www.mangago.zone/read-manga/surviving_as_a_pd_idol_kyuzen_x_karinz/
https://www.mangago.zone/read-manga/saving_the_doomed_idols_with_my_touch/

Ones i havent read
https://www.mangago.zone/read-manga/spreading_rumors_is_strictly_forbidden/
https://www.mangago.zone/read-manga/top_star_s_talent_library/
https://www.mangago.zone/read-manga/holy_idol/
https://www.mangago.zone/read-manga/the_maknae_has_to_be_an_idol/
https://www.mangago.zone/read-manga/in_this_life_the_greatest_star_in_the_universe/
https://www.mangago.zone/read-manga/once_again_idol/
https://www.mangago.zone/read-manga/i_became_the_youngest_top_idol/

mangago deleted my reply woops
https://www.mangago.zone/read-manga/a_blank_slate_regression_for_the_idol_that_lost_his_original_mindset/
https://www.mangago.zone/read-manga/saving_the_doomed_idols_with_my_touch/
https://www.mangago.zone/read-manga/debut_or_die/
https://www.mangago.zone/read-manga/surviving_as_a_pd_idol_kyuzen_x_karinz/
https://www.mangago.zone/read-manga/the_second_life_of_an_all_rounder_idol/

Ones i havent read:
https://www.mangago.zone/read-manga/top_star_s_talent_library/
https://www.mangago.zone/read-manga/holy_idol/
https://www.mangago.zone/read-manga/the_maknae_has_to_be_an_idol/
https://www.mangago.zone/read-manga/in_this_life_the_greatest_star_in_the_universe/
https://www.mangago.zone/read-manga/once_again_idol/
https://www.mangago.zone/read-manga/i_became_the_youngest_top_idol/