Responses
Was it this one?
http://www.mangago.zone/read-manga/dousei_mou_nigerarenai/
I haven't read it in a while so can't remember if every detail matches, but the general idea does.
yes thank you
Need helping finding a romance shoujo manga about an Office lady working in a small design company the boss likes her and her old co worker wants her to work for him but he has shady business were he needs to use her