https://www.mangago.me/read-manga/kamonohashi_ron_no_kindan_suiri/
It's about detectives
It's super funny and the plot is sososo good and it also has an anime
https://www.mangago.me/read-manga/kuma_kuma_kuma_bear/
https://www.mangago.me/read-manga/mossore/
https://www.mangago.me/read-manga/the_villainess_slow_prison_life_began_with_her_broken_engagement/
It also has a novel I can recommend
https://experimentaltranslations.com/2019/02/14/slow-prison-life-ch-1/
https://www.mangago.me/read-manga/i_became_the_male_lead_s_adopted_daughter/
https://www.mangago.me/read-manga/debut_or_die/
https://www.mangago.me/read-manga/this_life_starts_as_a_child_actor/
https://www.mangago.me/read-manga/my_daughter_is_a_musical_genius/
https://www.mangago.me/read-manga/superstar_from_age_0/
and lotsa more from the genres action or shounen I guess, but many of them do have a lecherous mc, harem and/ or overly sexy-lewd drawn women...
anyone has a rec something that's not smut and no romance? no ecchi etc