Responses
https://www.mangago.zone/read-manga/saving_the_doomed_idols_with_my_touch/
https://www.mangago.zone/read-manga/the_genius_idol_s_strategy_to_stardom/
https://www.mangago.zone/read-manga/this_life_starts_as_a_child_actor/
https://www.mangago.zone/read-manga/superstar_from_age_0/
(Actor)
https://www.mangago.zone/read-manga/top_star_sent_by_god/
(I'm assuming he's staying as an actor or model. It's either one of those.)
https://www.mangago.zone/read-manga/i_was_mistaken_as_a_monstrous_genius/
(Actor)
more reccs of manhwa like Debut or Die, I Became the Youngest Top Idol, and Acting Genius, Top Idol?? Preferably idols, but anything about the entertainment world is acceptable!