Kimi to no Dogfight
The one where the online friends (with female avatars) get together and it turns put they're both men.
Kainarasu Hazuga Aegasarete Komattemasu
The one where the seme is a virgin, the uke a slut, and they agree on sex lessons.
Ai Subeki Sadist
Principle
The one where the contruction worker is a slut who only sleeps with virgins, and gets tricked by the seme who's an architect.
Chika-chan to!
The one where they start in a threesome, but then two of the, catch feelings.
Honey Maple More More Sugar
No Love Zone Webtoon
The one where they are working together, but the manager is kinda shitty to the uke in particular. Then the uke finds out that he rejected the seme back in highschool, then he is just fed up with the bitch, and the seme has to kinda win him back. There are also super cute kids, and they honestly look like a married couple.
I'm Banging My Rival From A Parallel World!?
The one where the guys don't get along, but then he is transported to a timeline when they are dating.
Rain Again