Reccs

Not an Idol Manhwa but an Actor I guess? and its a shounen ai more on fluffy side

https://www.mangago.zone/read-manga/star_x_fanboy/

https://www.mangago.zone/read-manga/the_second_life_of_an_all_rounder_idol/

https://www.mangago.zone/read-manga/once_again_idol/

https://www.mangago.zone/read-manga/idol_is_a_god/

https://www.mangago.zone/read-manga/monochrome_rumor/

https://www.anime-planet.com/manga/in-my-closet

oops https://www.mangago.zone/read-manga/in_my_closet/