https://www.mangago.me/read-manga/our_guild_s_idol/
https://www.mangago.me/read-manga/holy_idol/
https://www.mangago.me/read-manga/the_maknae_has_to_be_an_idol/
https://www.mangago.me/read-manga/a_blank_slate_regression_for_the_idol_that_lost_his_original_mindset/
https://www.mangago.me/read-manga/the_yakuza_s_bias/
https://www.mangago.me/read-manga/sounds_like/
If you don't mind romance here (mix of hetero and homosexuals)
https://www.mangago.me/read-manga/star_x_fanboy/
https://www.mangago.me/read-manga/tamon_kun_ima_docchi/
https://www.mangago.me/read-manga/himitsu_niwa_mukanai_syokugyou/
https://www.mangago.me/read-manga/monochrome_rumor/
https://www.mangago.me/read-manga/koisuru_idol_ryuusei_kun_wa_kujikenai/
https://www.mangago.me/read-manga/the_star_next_door/
https://www.mangago.me/read-manga/play_playlist/
https://www.mangago.me/read-manga/girl_crush/
Why are you such an angel?? You're feeding me so well! (≧∀≦)
Tysm! I am gonna check these!
I already read Debut or die, The Rogue Producer Survives as an Idol and Manager Kim Hates Idols. Any manhwa like these?? Much appreciated!