Literally this manhwa!?
Boss Bitch Baby
https://www.mangago.zone/read-manga/boss_bitch_baby/
Ohh then well this is similar trope
The Pizza Delivery Man and The Gold Palace
https://www.mangago.zone/read-manga/the_pizza_delivery_man_and_the_gold_palace/
Thanks of the recs everyone, but none of them really fit what I'm after. Like the closest thing I could maybe point to as an example is this https://www.mangago.zone/read-manga/ii_ko_ni_dekitara_hometekure/ but even this isn't 100% the energy I want
How about these?
The Dawn Split The Night
https://www.mangago.zone/read-manga/the_dawn_split_the_night_ilovecheetos/
The Man Next Door
https://www.mangago.zone/read-manga/the_man_next_door/
also this one
Love Rewrite
https://www.mangago.zone/read-manga/love_rewrite/
Looking for a serious or uptight businessman/suit wearing uke that absolutely falls apart for a seme that's either sloppy or has a younger punk/alt/gangster look