https://www.mangago.me/read-manga/i_m_not_drunk_1/ College setting. Drunken one night stand
https://www.mangago.me/read-manga/while_you_were_letting_your_guard_down/ Office setting. Also one night stand
college
https://www.mangago.me/read-manga/one_room_ta/ secretly dating
https://www.mangago.me/read-manga/1_to_10/
https://www.mangago.me/read-manga/unrequited_love_rendezvous/
office
https://www.mangago.me/read-manga/overclock/ one night stand, dating
slow burn but the tension
https://www.mangago.me/read-manga/no_moral/
https://www.mangago.me/read-manga/sonna_ni_iu_nara_daiteyaru/
https://www.mangago.me/read-manga/romance_but_not_romantic/
https://www.mangago.me/read-manga/while_you_were_letting_your_guard_down/

Can someone give me some yaoi recs where they are in a college or office setting, preferably with themes like a one night stand or secret dating?