https://www.mangago.zone/read-manga/silky_secrets/ -this one is a boss wearing lingerie
https://www.mangago.zone/read-manga/ore_no_erohaishin_ga_barete_joshi_no_hameraretemasu/ -this one is a boss who recognizes subordinate with a mole (I don’t remember lingerie being involved though)
https://www.mangago.zone/read-manga/underneath_it_all_ren_is_a_woman/ -not office story but seme recognizes him from a mole near his butt.
I think ur talking about this one
https://www.mangago.zone/read-manga/my_demon_boss_gokudera_wants_to_be_exposed/
(Also I thought you were talking about this one at first, I know it’s not the same but i’ll give the rec anyway) (￣∇￣")
https://www.mangago.zone/read-manga/hitori_h_online/
Ok I plead for two things one men in lingerie and two help finding the yaoi that was the boss loved wearing lingerie and had an account where he would show him wearing it. His employer found out because of a similar mole I think.