Straight top, dominant/assertive top, CEO boss X employee, status/wealth gap, slow burn.
Official on Tapas, "Downpour." Officials are here. Main story is shonen ai, epilogue/side story is mature. I've bought all of the main story on Tapas.
Series info:
https://www.mangaupdates.com/series/p8w4bxn/downpour
1st: Spring(?) '22, 2nd: 8/28/22, 3rd: 7/23/23
Cloudburst