Protective semes ?

http://www.mangago.zone/tag/protective%20seme/

ヾ(☆▽☆)

I believe that Pochi to Tama is one.

If you don’t mind the age gap between the seme and uke then Otokogokoro fits your description. Haha the seme is a business man who ends up in a relationship with an adorable college student. It’s really cute to see how the seme cares so much for the uke!

http://www.mangago.zone/home/mangalist/8523/